{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141429",
    "entityType": "User",
    "nonce": "0x582b77ad01928918865c4be27a307031312ff995727157339d10a204b890ee43",
    "signature": "0x19104676670f0734f546100ad96d4689ffc807b64bee1430a454f06236e5d4021284b167420ce71843cb5a2f987f8c58e9ec73153da093ef7156bf95e33a6f351c",
    "signer": "0x1Df693Ed633B381cB87b6D8C559fB0C7Bf5eB6af",
    "userId": "823447086"
  }
}