{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x1c1b14aa86675197ebcb62ac37e685dc4c819e8df5f791cf06c7ea92f2699a5a",
    "signature": "0xe1c506097535496b851b341df965dc38f753bddf3cda4af7960ba7d308c033b256ef128593d1006cc9ff2109ba7fe5706547e4e355e347098344a4317adca33d1b",
    "signer": "0x0Cb369D1351e1C8807Ff17F9e7246A3AdC51537a",
    "userId": "680530523"
  }
}