{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "680645058",
    "entityType": "User",
    "nonce": "0x4b099c83f7c4bc7e62369888d83a58a4a59d1b3a2ea035441c78d548774001d3",
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    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}