{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230426",
    "entityType": "User",
    "nonce": "0x7c00c583befaa3add3754c1e14bc5ff7d3e04a4adde26a6fa6ce3e7ffa8f1a15",
    "signature": "0x7d75285859839dd9becaa11ae6d8458a240d5294414090bf44a913d1b4fd7b8f011e11dc8b16f8dd8407c326b8c7a0ad02109429bbe9ed9fa9ecab73d30ecbce1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}