{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0x2c60e59e8bbe3cdd6481f0990e400b4aff075370c1daae62738738c6df2237ba",
    "signature": "0xa3968141f6079b7d33a8df2d499023038bdb3c81b9413911c9652a14d839aeb41e22d821f88c1bc144b6a55be924625dd0f1c5b96b03a35dc0119bfa8b4ab1351b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}