{
  "manageEntity": {
    "action": "Delete",
    "entityId": "297828650",
    "entityType": "Track",
    "nonce": "0x11d9fa07f5e6c70e4c21aa92dbc3cea88b6a80465ba5afc91ba72dbc06f87de3",
    "signature": "0xa569628d2f314c2c0731561adc3aa5c0d15e8e1f90a85f86344e238c88b72c686f3971cbad0dcebaab2d9f544bd9b7de5df663e85f3c6b1fb393d3ac29b49d381b",
    "signer": "0x3cc3BbB11F960D34352a58591FEbF76ffCd52817",
    "userId": "128055489"
  }
}