{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "57904",
    "entityType": "User",
    "nonce": "0x1da631a515d2c97ea81fc876ff7982b53826b571fdef7cefd5f99e3cb40908ec",
    "signature": "0x394c42d1b7e5acb87699aed9c9f01908639d3af3245eb0f01d571b38bf6825d14f968102fd66e0fe70b5693e73901a2b96418a6dd7df658c83e08b9b5fef8b1e1c",
    "signer": "0xF7C299AB5282FD59254Ec0098FC5F1B997682c83",
    "userId": "61898"
  }
}