{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "745382175",
    "entityType": "User",
    "nonce": "0x432519fa3c9b57431fdc23f72ffd87ae61d7bf3e52741f00ae29b228a94a48f1",
    "signature": "0xfb62e4eab5df29da16e53f4bb0f1dd805b036ad283bd4ecd6130bb51160b3fea5577e88df7ae732e1cd28c4643cfa50a1b3f4f96528e5de536b66036faa384b51b",
    "signer": "0xd1bC12b8b46f2FAa152aB791052b4a26826F86F5",
    "userId": "481080235"
  }
}