{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xe3a71e49faf5844d9b58077b024657581de67d4bb41db045426ec75c3322c4cc",
    "signature": "0x402b66e6bc9468ecdd05b01950ee8e2a0a1c8bf250035b500288361726afa78f2d156c1fe902ccb2f260a386d9a9f746ee183f4fad7c56feeb58686840bbb4921b",
    "signer": "0x0E8a6C2890E5f82a3881E0300DaE0769C096d6C0",
    "userId": "652596848"
  }
}