{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x4485a22Dd51De7c4f8e581E914a8663f23B3818d\"}",
    "nonce": "0xcfb453977fda41eeef7a6f929ec56782e4725e70ffc4ed56eca8dc133adbef26",
    "signature": "0xbc1f76fc262ef24499b57c0a222e7cebd601075ebf8c28a73238f8d571ad3c1328563b864897b3fbba2858171ca5969ee2483e7b8c8a3f96d5c0d0233ed11e031b",
    "signer": "0xE929d5b0D27781f83f0b5A8e37b2652DBe76579B",
    "userId": "106879"
  }
}