{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x4ca0449be8a994f1cd960be1734e4812ce1aaf21d8569a7779d676268daf28c4",
    "signature": "0xfffa487b139192a85bd4a1c0dd3e0dcd7e7bade1884ea41a73555743a382a5e9107423cebe0e8af8856c1f36e12d56b0d67f795edbb908e2040d2400f2af87fe1c",
    "signer": "0xa28993869eaA9A24214A89b6A06Cd5F4065cab67",
    "userId": "166087178"
  }
}