{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956241273",
    "entityType": "User",
    "nonce": "0x0408f73b0225cd97c768188cee1bd5041c037d1bc33b8a194e2f5020b23068cd",
    "signature": "0x83eeedf94f559707a36843cd6a69d1acf3c0e113c0d1ed84cc1a72ea69873c8772968b17c46c1fe50effb50cc06011803d65f9fb9c192637ce77150fff3b582d1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}