{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "926455194",
    "entityType": "User",
    "nonce": "0xc1f5452142072ce874927e4faac8478b8243b8256009e09cd866a2a9ff3417fd",
    "signature": "0xee77356daf7bf4717ed5beddc660c5938a839696d52adcc5f18e348327072ea160983ebad055a0a40dc8ecb1dbc9d806a1df7a9faaa28af4cc3a236fc0a1e8b91c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}