{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366470",
    "entityType": "User",
    "nonce": "0x70383d12415271ff03dfb988798910f20f5a62460ae99ef6adb2d55e63f6deda",
    "signature": "0xdf27d708153cfd5f194fde976ffc6279c2e1b80928965542bcad7d7e5f8c41dd48d63ee7d32f0af8911fedbb729d2fe6db991c157530a49d068aa41cd87e48d31c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}