{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x5a9b93765927f36b7b9c792b649a53f157895c9877c895eaecf0f911792bf11a",
    "signature": "0xdf8f6ca65f30f32f6df15241a0be989afeab43a71de6e88ab0db9e717dfe1b3932b435d2ab5b21c1113825745deeba917f624af44be7fbe8e3e85fe0d325b73a1c",
    "signer": "0x344Cc6Cd6326A3Fc46e2f789e02111af483Df673",
    "userId": "980331"
  }
}