{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xdc9343e32f78a135f33abfbabe6c0dca534c9da3471a5408b0e87a14a3e3d319",
    "signature": "0x52d502125b0a7176a6c830c0fb7f880c2d7a8fdb027e6ab8d7c7325a64f090030aec7468b1ff9f34fc9f3b43e6f4a95b00300505368fd7cbfcf5d34bdee88e291c",
    "signer": "0x9b1e6587858EFC10cCfD00bC29fef1292A88E974",
    "userId": "830644856"
  }
}