Returns the hex encoded hash of an Operation

Example request

{
  "content": {
    "method": "GET",
    "uri": "jstz://tz1cD5CuvAALcxgypqBXcBQEA8dkLJivoFjU/nfts?status=sold"
  },
  "publicKey": "edpkukK9ecWxib28zi52nvbXTdsYt8rYcvmt5bdH8KjipWXm8sH3Qi"
}