{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x33bf10d12b137ef606a039e1261dbe670c3ffc66c54ad2221b28ca411763c5df",
    "signature": "0x381ea2a953df3acc457440d28e972b127d06faa289f68457d62bb07be06f057039e27853a3bc1c79ee11622e29c334fafa619c91298f959a0630cbc085020fc61b",
    "signer": "0xAb74269b4Cd5892c97eACCAf5FCb7B0D78d50b35",
    "userId": "242893136"
  }
}