{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xf2ace1a80a20179b037ef174a246ccfb36498fa4c01de2e7cd82915ffcd8206a",
    "signature": "0xce0a12486933d2b4e9d2400fb32253109aa421dea0b10d53bf133c371fe3e1b655d9890fa6d3edc1383865359bc6c95c4452593f4d8b01607512af40d1e048f01c",
    "signer": "0x705d1197e0589930aC1f0AC02e2edA0262c19a9b",
    "userId": "810502426"
  }
}