{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x9d2d264c97d91148d4cc35f448a47d56bb4949b31d794f6fb21c2980ec3b666d",
    "signature": "0x2c4d31fce54fc9f789b3ea1e5e46db726327058af0fbefa71b8a05a79d0c149551c56332d2480f84e79c2284f95e2f6fa422824083bc1bd07234ec95efc7741e1b",
    "signer": "0xa58AC62c7330917e2C49F59e6A03AA34CF4127a8",
    "userId": "610742192"
  }
}