{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xfcb65214b9fa87bc3e294ac307ac160c1273192a425eb7587e3e49b7acef42e8",
    "signature": "0x1681073c26c0a87c659cbf3925b12d43136b75d18033c2b62a1968976aa497e244c4a460b5f470df5f643043aa50ba2d1cd033b35efff5c4a9422c42ef04fbde1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}