{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0x625cde92e9a2bd8e0f85c9c58645c5f278ab65176d33f5609e27b1ed594fbca8",
    "signature": "0x3c50e207ebaf5863bfc7982cf1ebe18dc9d78847486365067c0cf80663058e260281e53cee6eb024d8d4a50c3d792daf3f3c81b6b74c9b0e969594eeabecb2ad1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}