{
  "manageEntity": {
    "action": "Delete",
    "entityId": "433751271",
    "entityType": "Track",
    "nonce": "0x7ebf172ef03e5c0a8c7a65f6162c04f98fbc0f017f99ce624cbf6c24ae5ed015",
    "signature": "0x989a88ff20e3eb9929e6d6d2632edec70949af1c1a78cc7c18f826457beb82cd135ad56000d3ea39061eddbd036d2282fc28046b94c206c908b6f00709c5d9131c",
    "signer": "0xF7Ff21A93e2fD804bf23303760999b125e251EbC",
    "userId": "571769298"
  }
}