{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230426",
    "entityType": "User",
    "nonce": "0x31eb80085d02885ba5d6a952917959e060b6e915fe59e17d132ce7ad472412c1",
    "signature": "0xffa5daa97400f5cd68f6d6ae0316bbf60054b49040347a7c23673717e55279342b80f03fc2a1f56c3bace67a4317fb87f28a0954e08cc959c93803bab45a58ac1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}