{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "330481",
    "entityType": "User",
    "nonce": "0x1501e394d83c68b786ea286a9c751696025833cc5e0bc8bbe62bf4c833623a24",
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    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}