{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966670393",
    "entityType": "User",
    "nonce": "0x2653e6835a2308ffc1e89adccc6a3205efff26dcde179cafb0bc3a978dd818f1",
    "signature": "0x15c2b6ff776393eecd203c9c5e90f62753dd52f6cd6fa588a8cedf41ed85f64b28e883e182c053b8a39ef7bfd8a85c7e84aa631ef87489dec6d7890d48c1be501c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}