{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x92f6c669b444b793bcab2e934a8dabfb46e1c5ce757275551ec0feb3353ce370",
    "signature": "0xce93439b7458cb0e48b739da284bba5ac42fe154660e17a2a283812a4789229625a6f42b3971bd42f0099ed6dab0fd72e20f2c23fecce3b086563c77442ff65c1c",
    "signer": "0x4b1189bC8Aee2eb6CeD0578e2f69157Ae9DeC090",
    "userId": "67696412"
  }
}