{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x485125ecd471627f3cb853e8bff6113ec0ccac56dce024f5633d2a52dfcf6605",
    "signature": "0x130ad59a57564524533ca2d7eebfac203e4c469ad27a318449dff86b5fa7d3025859ff24d2edbfef547882b545cbfc2987495ae5b37f20da45cea149c9b2e8fc1b",
    "signer": "0xE6B24340f3279D03154F1f83D702FD1Bfa2351f0",
    "userId": "507413880"
  }
}