{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18336",
    "entityType": "User",
    "nonce": "0x5030a8f00aa05d988be58a386bdaf369c53cd22bbf26c4b199655563f1f9dc6c",
    "signature": "0x8b7502c1801fa18c50f58b61a259f2f8326b29e92b3dd4c7942d1e93d9cde7fb0dc1257d4aeb1026b2d042be4cb56c4d09d1365258d086572c874fe7f53593bb1c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}