DID documents with services defined a certain way fail to reparse

[DRK3]

I managed to create a DID doc that can be parsed, then marshalled, but then fail to reparse.

To clarify, what I'm doing is:

1. Parse from JSON
2. Marshal back to JSON (using the JSONBytes method)
3. Then parse it back again (this fails)

See the following code (which contains the DID doc in question:

testDIDDoc := `{
   "id":"did:ion:EiCMdVLtzqqW5n6zUC3_srZxWPCseVxKXu9FqQ8LyS1mTA: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",
   "@context":[
      "https://www.w3.org/ns/did/v1",
      {
         "@base":"did:ion:EiCMdVLtzqqW5n6zUC3_srZxWPCseVxKXu9FqQ8LyS1mTA: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"
      }
   ],
   "service":[
      {
         "id":"#linkeddomains",
         "type":"LinkedDomains",
         "serviceEndpoint":{
            "origins":[
               "https://did.rohitgulati.com"
            ]
         }
      }
   ],
   "verificationMethod":[
      {
         "id":"#66dd51fe0cac4f1aae812d0aa109bc2avcSigningKey-2e975",
         "controller":"did:ion:EiCMdVLtzqqW5n6zUC3_srZxWPCseVxKXu9FqQ8LyS1mTA: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",
         "type":"EcdsaSecp256k1VerificationKey2019",
         "publicKeyJwk":{
            "kty":"EC",
            "crv":"secp256k1",
            "x":"j5T8KQ_C_HDlRmyE_ZpF9mlMQgpx7__0RPDxOVc8ukw",
            "y":"zrl0VJYGZxU-qcekvJV84k9SlvI41jnw4n2M-V2px0c"
         }
      }
   ],
   "authentication":[
      "#66dd51fe0cac4f1aae812d0aa109bc2avcSigningKey-2e975"
   ],
   "assertionMethod":[
      "#66dd51fe0cac4f1aae812d0aa109bc2avcSigningKey-2e975"
   ]
}
	`
parsedDIDDoc, err := did.ParseDocument([]byte(testDIDDoc)) // OK

parsedDIDDocBytes, err := parsedDIDDoc.JSONBytes() // OK

reParsedDIDDoc, err := did.ParseDocument(parsedDIDDocBytes) // This returns an error

The error message is:

did document not valid:
        	            	- service.0.serviceEndpoint: Must validate one and only one schema (oneOf)
        	            	- service.0.serviceEndpoint.0: Invalid type. Expected: object, given: string
        	            	Document: {"@context":["https://www.w3.org/ns/did/v1",{"@base":"did:ion:EiCMdVLtzqqW5n6zUC3_srZxWPCseVxKXu9FqQ8LyS1mTA: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"}],"id":"did:ion:EiCMdVLtzqqW5n6zUC3_srZxWPCseVxKXu9FqQ8LyS1mTA: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","verificationMethod":[{"controller":"did:ion:EiCMdVLtzqqW5n6zUC3_srZxWPCseVxKXu9FqQ8LyS1mTA: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","id":"#66dd51fe0cac4f1aae812d0aa109bc2avcSigningKey-2e975","publicKeyJwk":{"kty":"EC","crv":"secp256k1","x":"j5T8KQ_C_HDlRmyE_ZpF9mlMQgpx7__0RPDxOVc8ukw","y":"zrl0VJYGZxU-qcekvJV84k9SlvI41jnw4n2M-V2px0c"},"type":"EcdsaSecp256k1VerificationKey2019"}],"service":[{"id":"#linkeddomains","serviceEndpoint":["https://did.rohitgulati.com"],"type":"LinkedDomains"}],"authentication":["#66dd51fe0cac4f1aae812d0aa109bc2avcSigningKey-2e975"],"assertionMethod":["#66dd51fe0cac4f1aae812d0aa109bc2avcSigningKey-2e975"]}