{
  "manageEntity": {
    "action": "Delete",
    "entityId": "746824855",
    "entityType": "Track",
    "nonce": "0x72613a0eb6caf23d5298a285eb9acad03db3abe4ae7b90f19f81ba1d96a6e624",
    "signature": "0xb9048f993b6efd639288c5fdfb1b441c5c2633db44b5199020a405214376c2f5640cdd47a2febbe5f65cb768c22af0956cec5c06df16f0400ba706e1c290db0a1b",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}