{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x9a082556f427d51698c9b8ee2638ec7fd93c772d51bc518c097d507b6385ef76",
    "signature": "0x179f9080fc5bde3de70a8ccbe2924b5d08a005478efbff7739997bb6cc5ee8246f74ad43c5236b4c072c7255dd26b84a6b7ee75e7b5daf88ab8b47cd607e76131c",
    "signer": "0xD89D052f0EE39f12A3221f23CF4A9Dfd8A3206b1",
    "userId": "962385159"
  }
}