{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140",
    "entityType": "User",
    "nonce": "0xcbafff979e4f0733005ff9baf4fa434165a4ae53cd88a4593527dea2de9d7d24",
    "signature": "0x472e827a7526e995e3a6cb58558029b3858100a412ab1add32d4b6432ea6b82c47f2309ca3fc8765f8590a124a22661323a85731e541238d97cde7cab7f6bda01c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}