{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117907",
    "entityType": "User",
    "nonce": "0xbc9a01b455f2e5ab7f7c29719ee492ba6600f3f0fc14286e86f0be004317e0b6",
    "signature": "0xcd211f59576f82aa2c8ad26738929b9e396ba01ed50ecd74f14fc0131ad02e4e6ef2a12450732b339bc27371c350d4f839ad56f3dd8e52f16a6fce47f3ef0a1f1c",
    "signer": "0xB0cCb7cc48b50141620Bc275286fcFb267B393a9",
    "userId": "878527718"
  }
}