{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1773",
    "entityType": "User",
    "nonce": "0x40afe64bd8f5892bb342c6dcca34f827e9e6e38c3adbd8576ab4ed6a19556737",
    "signature": "0xa3ff79354f2e789029400d544c633e025fbc87d8e4e22d1456fe1cc62be4f08a57dff171271c713ec568932a48adc1c86de4485191f9454ffc0adf3cfbae850c1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}