{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x60477f1c52cef74126872b55a023e065e61629f30c12f3cecd899893019b779a",
    "signature": "0xad752ccb51d4131c4a04443f2b70eae8d37ef8e7b896376393d032c30f22d8443750d3740f10ac310968a37afb63abdc25c7f223b8d5dcab05244fc65f80c73a1b",
    "signer": "0x3D7B1Dc2a1aF670A28b72f0313B301921DCCa50A",
    "userId": "533765146"
  }
}