{
  "manageEntity": {
    "action": "Save",
    "entityId": "822451361",
    "entityType": "Track",
    "nonce": "0x81b6298fc9ad03d95ce4cf6ea57d568c29253f49ea782be9dc47d93c38dec0a5",
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    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
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}