{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "49421",
    "entityType": "User",
    "nonce": "0xa2f1702ca23d3352f263a11111ebb170ccfa4de70c32190cca1088f3b20b0a32",
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    "signer": "0x53C34E921c42894040432aB319b21B4822eE12c9",
    "userId": "578231820"
  }
}