{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34922",
    "entityType": "User",
    "nonce": "0x6821f847b89a16d1608184c3a7d8fe27cef602f2df21213a27736c2cc7e836d3",
    "signature": "0x878ffa641f4143432df407e491c92223c1de3c34e66d4cab844015634aecd6431a0147ce63a30b99755b8d8481289023f30d3f199ed857e308431ee804789a741c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}