{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4cb9c5757a3fd3e21811c071179100eb48f3e367cc3c9e88e8d3970877813c43",
    "signature": "0x57c42f9e1d72279f4a9836d8a2172ec85c025770fe4b1cd4077d9f22f4614ab523f40ada3f1db2f37c6e9f2d5273eab880924a7ab89d8ab6f194da3444061d561c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}