{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x3f18d8af4e98b2bb097e2233975c099a7fb7d6550f30b7f4133bf26043c65092",
    "signature": "0xf9c68e120429585d31f495c4ca0720e26e1c5b06c8a62062788a1b9fc785a5db750a2bc138690709dee0548d9757bbf3bae899cc5dafe0eadb7a07b2385dd7061c",
    "signer": "0x47F4d4541A7421494D13A583084396e6aDDd28b1",
    "userId": "426457507"
  }
}