{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "265561",
    "entityType": "User",
    "nonce": "0x84cef083e3c503c61279684204adb0cc684cb4e87e4a3092e8f5ceaf0f53b4f4",
    "signature": "0xc7f09ede253e79d9b511aa70522ae410827eb478785ba33585570859a3d3b1dc6fa2902fef8accc96820335cc3bb3e0093109a57caa366ca96a1c36aab1e454f1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}