{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267182",
    "entityType": "User",
    "nonce": "0x591d7fe5c43a0da2e8a669fea18042dcd9ab6068ff9aa85a2adb42ee69aac31a",
    "signature": "0xe1a9cc2ca05654f5a6918f522f13c16795e7aea0d7e6fe448d7706e54f5c121430b9f5cb12ab00b7e5b6c35ce19708a16af01f3cd66bbf83c5fee62aae2a8d9e1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}