{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6dac9174a5676825c302c917479bcbb0cf961af9929a147d0fb040c4e7bf821e",
    "signature": "0x306ae2b873ece3f1dc3363397c39717a967fff871b9a358fd9e7747f5de706365d5f3075ef7abbb1efdebe9e8bbb356db3aeab649308818e9a4b64e983b6a44c1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}