{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2f8f339e189c844514d2826b76c73f153e92999c\"}",
    "nonce": "0x1dc44a83260236d7e1074f02c27aa40feefbd438f4faf68219549fde54c5fe65",
    "signature": "0xba0c436afd4de18c951c7caeafc206e41a522cfbc91652dd1334c06a0b8e431b5077a1080c0382df0aa0b3d2e7445f51e74224eb5809d79bbb6869e775c10c781c",
    "signer": "0x0FD07A3109867a34b37bD90c66f99279cbE1C117",
    "userId": "882811785"
  }
}