{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xabc926adeeee6b398b44b07b2e4cf8dfd0e006516851e7269d407d1b32712f4d",
    "signature": "0x62d5f8646568ece70fcbdbd5e32465eafde5d0c6651fd19c2e6c896851dfabfc0af0f9f331f61ffeb17816f0577cc205586705f8929c52e31e1abd4f1a75e7f21c",
    "signer": "0xa26c8d589302EBD4fBb818A7d3F6CA0661704dBe",
    "userId": "267952260"
  }
}