{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71290",
    "entityType": "User",
    "nonce": "0x9c265ea2d7e95b54a42ac22cc936aeacfbac0a1ea7cfba5aa34592cf4324d4cb",
    "signature": "0x31609adf2661ff1e634f4bd26fad8f45f6d5e5554cafbcdacaecd7b6d4c1a2343d18dc1331af3835ce50fd88b552746b31835d6ba6da27a25edcd1ba3d49a4e21c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}