{
  "manageEntity": {
    "action": "Delete",
    "entityId": "505539531",
    "entityType": "Track",
    "nonce": "0xdabcfbd13d11fe6055c13880db84cd2c07cfa8b49d724b5150549236e7825315",
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    "signer": "0x3d3C9a78785e201CD119b8f74d7d88D131bB3cb9",
    "userId": "350266629"
  }
}