{
  "manageEntity": {
    "action": "Save",
    "entityId": "565787",
    "entityType": "Track",
    "nonce": "0x926a2b24cfbc63c74f6a1781aa42c325d1b47937b02a24d8b84269be1e0c464e",
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    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
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  }
}