{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5819",
    "entityType": "User",
    "nonce": "0xd0c66a0116a7d05a6635ec4ed53493cb7b92642d4f9a38d1f1fe79ec62748e6e",
    "signature": "0x41219249626a1a3969668f1c83e0480323af94fdd0a34faeab79d88f0436891e2edcb79353de22a3ccf83c2f65a58c7a84514993fa823919372229412e410ae71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}