{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74183",
    "entityType": "User",
    "nonce": "0xbf4dcbeb2f10a1b18b104961d905d2471b729bac7ffd367d4b5801b3f23e2caf",
    "signature": "0x347c69fe4bd12cfaf7fb3be3836b4379f50075a8f340554c3031685eed52ad46731bef9691551a3287e2e0256da925d989cab1270ce92efd7da78ff0afa8c8f41c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}