{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "416239376",
    "entityType": "User",
    "nonce": "0x80b92f64eb983b4c2a1dc52ba863758527e88809a47e4c38b8d587c097bd2110",
    "signature": "0x7b8adacf56f7adba82c6dc2735a39a72cb78845bbeaf7362b2fd29f6e1d837297a5c1bf1c223780e570e4d686fe6f30dc060040766ab23c59eb511888b25d99a1b",
    "signer": "0x80a0405FB3B9d86d11d9837558C400BE65BE42a4",
    "userId": "464100900"
  }
}