{
  "manageEntity": {
    "action": "Delete",
    "entityId": "142744",
    "entityType": "Track",
    "nonce": "0x4ad08e4684794cf81d1416140fcba832d632418764c5a39862a56f04bdefd288",
    "signature": "0xea95263f193dc2299ce96a7ce73125c1f8b07e2636bd138debdd5be2f5aa9c9846d0e2d7e8f0e665c8d8705d5ed2876d50525031aa381acbb482fc1adca415a71c",
    "signer": "0x780028415E21688FAA8A7552D03fC4aFf55A839F",
    "userId": "10817"
  }
}