{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xa99c8457cbcdaaa222bcefa8fb9e6fae984d02df4fa78a9bc644faed9d895d68",
    "signature": "0xa4394347f24ff3772bf2f3b7cc79d63dc57ec434158a658b09d20fbdca05b6c42ab4257516d99f244187d31608b43a8c1fa2df2c5eac8d3b9577097dd45c312e1b",
    "signer": "0x7A4EacF2A282Cf3575B987b8D5e94a81A62eB082",
    "userId": "640924727"
  }
}