{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xd9470512885bfc8b81f4e49367452b089c6971ae68adca7ec934b19468881e98",
    "signature": "0x2c6fba830a49d643966a448d630e79d7634e0df4353bb9093718cd6ff8a3a17250c6a832f0c1fa0302751a1b22ba37c3766df03d10939cbe5767329cfe9d13721c",
    "signer": "0x9cD947Cd7cAb26C8513481b8e21bee1A38951F30",
    "userId": "419272112"
  }
}