{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1821581262",
    "entityType": "Track",
    "nonce": "0x036ba215fbe04613a8816067f10905ab0f6a3d785c61a1f66e5df5fef0e638c3",
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    "signer": "0xDa4ae3c6d34caB29f385de0731763E3f88d3BCDe",
    "userId": "316312"
  }
}