{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x5e1efafb1ce60ad3452ae6a635f18a2b015b5932c9725138fda4a86f4568cc6f",
    "signature": "0xbe9bb8380856a89e0bbf24c0e6fbf12e5a7964b3ce8abdd4faf777962a517cba55feca08edf9ac353ecabf559bc67d36b4d97d1325c75b2fffe2d1419e0858bb1c",
    "signer": "0x358E06588e1162ca62B7B502eb703DB4349B6734",
    "userId": "230919965"
  }
}