{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1223901145",
    "entityType": "Track",
    "nonce": "0x6014fa2a72ea4294010e008a6f7d15e6aea500c1e210f0ceacde082d48e53e4a",
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    "signer": "0xc3E1A1F6d24cB1f128e405594711717CaaA95FB2",
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}