{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18168",
    "entityType": "User",
    "nonce": "0x966b7a53a932abbc63916c093977bd4ac7b7958257ea7277aab75b5eaf7f7fa0",
    "signature": "0xeae627ab0139a816e7e4800e0a6aa8ef6a4ed28fe50e9540fd95bc53583395721287c75a5245dd293bf6acf21ab37e50d72d21a12506e165a6cf7aaec60fb51f1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}