{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1316199643",
    "entityType": "Track",
    "nonce": "0x20e232ffb0a36da985f9df66f83aaec37619edf5434f25ae791cf0d698091884",
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    "signer": "0x15bd1aCC8c18c6F3BdC38130eF5A5A5c55FF3D4b",
    "userId": "417582534"
  }
}