{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0x01a784142c756a03621d103c40ab8c764c09e0fbf4952c6c01bbcef7615f0e99",
    "signature": "0x212445858b20fa5bcd7b3e5cebc5b90a2698c3f78ee76ffe1f4083cf033f1ca01129f35dd568fbb6dd100da3f344e92f19f0892c39cfd53938f68b351e3fac691c",
    "signer": "0x182fd837C1acE765D4953bA8d602948d6025afee",
    "userId": "375501"
  }
}