{
  "manageEntity": {
    "action": "Save",
    "entityId": "1154901457",
    "entityType": "Track",
    "nonce": "0x7316853edddc3fd93cf90b698dcbea24aca999ae2f425e34f66f5e0b08959c87",
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    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
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  }
}