{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xb31bb8d8ef990a4df6449cc424b08f2b99aae2c9bbfbe75654841ed0419c61d9",
    "signature": "0x87e003a2dbf5361e29c0553a5ecf5397cf2e88373cadd8b16f71af55bffbfd3c55da94c4c8a553d8fe5fe7df4697f1398ba89797cb439fc90bfe6611a1216a6d1b",
    "signer": "0xd020CB44C67F70F9EC1104E56fD08F2622dB45d4",
    "userId": "647551671"
  }
}