{
  "manageEntity": {
    "action": "Delete",
    "entityId": "433250473",
    "entityType": "Track",
    "nonce": "0x5d1669f64964af673ebbbd31dac21c05f8ebcd4058bf2c2aad9191f156071631",
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    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}