{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1458087",
    "entityType": "User",
    "nonce": "0x41eb5b654ad21419db974f1d62168ff8d8782eaeba1358e96a5cf31fd3363c37",
    "signature": "0x8c7109a8f58db00f546401c5bec479598cc3f08754bf85d65b2249735bc0d4c031e0bf9f72048e4e72834af8542edf23f08c20236079c003c7a57aa3c856f0a71b",
    "signer": "0xE534A1ad2e8E1f616866185D1efDf463B0eD38b4",
    "userId": "353625"
  }
}