{
  "manageEntity": {
    "action": "Delete",
    "entityId": "478882160",
    "entityType": "Track",
    "nonce": "0x20778e943c87d5c499ddec5b6b7b94aee5064f182cc450041a24159549af9820",
    "signature": "0x925a76f7dd750bcd8521cad0865b21f3d5e527c64716c66acba1242e161cdc1f7ed6f1f48ed21357e55d7f96b0de83a799e79bf8a5412c20fd4bf5773d66f8e11b",
    "signer": "0xDa4ae3c6d34caB29f385de0731763E3f88d3BCDe",
    "userId": "316312"
  }
}