{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833590211",
    "entityType": "User",
    "nonce": "0x814b46117ebc3496fc8b3fc8dfe4634df9f8351b7ede2ddd4ce892a9afb1d802",
    "signature": "0xa1f7a75e78df8b0827712078e06109418f7fc35bae916890289fb825b8be2432672678a6edd6294e8ab12af517ea13e2694df0d450bf7a1b5d20805095f2d9fe1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}