{
  "manageEntity": {
    "action": "Delete",
    "entityId": "289052383",
    "entityType": "Track",
    "nonce": "0x0fb40cec7ebd82237531c395acc98cf195b5fe941c1019ddd67510fe5dfdd4bf",
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    "signer": "0xc5D6b28530F7ba6A0d9B7717387B64F84ea20e1d",
    "userId": "848146471"
  }
}