{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc3c124949af2421b4d248b4cc3221472f2673ce8e8bd28fa6af63a7402eb4b52",
    "signature": "0xa6758910d4c6cd4342a400db318b03c4071055efe7aaef9970ab70b67ea8322d4d4559ec0fa53b57e07a336da5496509dd99437af17981ccb702fe95e3ffc3a51c",
    "signer": "0x0685dE64d6C1DD2F4492DE8d4D836Bde25c77910",
    "userId": "392433914"
  }
}