{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174481",
    "entityType": "User",
    "nonce": "0x9ad1ce53ce4bfd8403ed42f11964a634b47ee46a93ed144596cae44e0cba4ffa",
    "signature": "0xa00bce79da0650b63eb543e3cbcf637d73703d5613d08651a0a6a905ef63914262349bf052a23045c5272c790cadc17b561ef323d6725ec3de02535d108b81e41b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}