{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330293",
    "entityType": "User",
    "nonce": "0x6bd602c45e88aa4567833408e8cc44dc0a552148029deec0ecbec55b53b76cc4",
    "signature": "0x24e817ff4f8e81e9d6eb914421123c93f1b1289a0f7123485bd2e3865b03163c47740c19552fc3b8219a94a4b10e52d921dad64f1d245a7e48cb99e85d34aed71c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}