{
  "manageEntity": {
    "action": "Save",
    "entityId": "586366888",
    "entityType": "Track",
    "nonce": "0x6c624650898980ff1bea24239c283ad2aa886b07fd1b0ca97c5d0314da3709be",
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    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
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  }
}