{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225977",
    "entityType": "User",
    "nonce": "0x955872daf70b7a3854547190586042e54aa3b4e77f7bae2ce26c60d65e94b2e2",
    "signature": "0x8288787e791d38526e71d4afdf12124f4134db17e65519d2d3bde7b9d068574c193cfa7a4df92d976efd9c7e57c51cb314118261204f73b36109d00e1adeb3cb1b",
    "signer": "0x440467be448B39e4c0458f2110526c0DFaBfD76f",
    "userId": "129851637"
  }
}