{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xe50977c182c7691e12e346bfa8a0ac73172993c6fcc22d100134955a11a76699",
    "signature": "0xc8f855bf27555754469080a5a7e663b418c49a31ef4bd9500e8fcf8e4f16d8d01509bbbccd6a4342d37c90ae846c7188977da6f18941607cba830fe6db6470e21c",
    "signer": "0xe3921B88207E6D5BF6f86f1245645Cf17A2BE8c4",
    "userId": "472933117"
  }
}