{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "880249319",
    "entityType": "User",
    "nonce": "0x714bae45cb683124ba439f1d873272de40b3d62aefef15621564a751cac07e53",
    "signature": "0x09db6529e0ddedbf451705af6b6f4ce5bc80bbaddf558ad4252ae9ec418085fe3c5cd72579e97eeda706b673adb1498fd64c036dfc819aab534f45ba34e9cabe1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}