{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1606439262",
    "entityType": "Track",
    "nonce": "0x197a17bedff0f23a8a116f19c3f68b47fb7bf4e90e79e67d9c08dfe388977fcd",
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    "signer": "0x409b78BcFc75682eFe4da2a38D4195fBC137Aa86",
    "userId": "841479182"
  }
}