{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc228a407164986d4380bd9910984f75afbb5a785cf27329a4f0d86752fb15ad0",
    "signature": "0x1040c6e1b442cd1b778085cac85d7c171adaa89d768d03f30c3f4244e448489d428fdf33af69bc4e958f8df568ffdcb58fd27e44fe928bc13013495681b296441c",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}