{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x529f56f57b2c81c4b329df04aafd94d9f9944c3d35019a42fcce34cb2fb0fde0",
    "signature": "0xe577dc0e523bea412025a907fc0188778f1413d6e92ace9cb3913c6ac82db1b82e04ea0dd6e4810c3e07f70d4862f3ebe3da95c7142299a35d2b248fa89732f11b",
    "signer": "0xeB434A92095290c9fdA908bfb04b42aB7E91b6b5",
    "userId": "992606059"
  }
}