{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184931764",
    "entityType": "User",
    "nonce": "0x03c327d6e510ca232d79be8767df4ccf896c1729db48cb08456a484c4e36e861",
    "signature": "0xf1aad9699204cbd5a0b372b9ca93975afb847ecd3e36753418b30b6b14e739a463df633f2c21e67f93b7c08bb444e30d12a92efdeb312dcb594e45ef30c446ef1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}