{
  "manageEntity": {
    "action": "Delete",
    "entityId": "987214273",
    "entityType": "Track",
    "nonce": "0xb9355675a60f3bf3def9cbe2b731dd8f97d7e7fa63e102f2acbc137ec424b33b",
    "signature": "0x06df7f9d8cc6159d92c1f8495ec89dfb6cdb612a4523120e994037b19e20b73c67bc6db84d3f64dbf5946ae642ca161c4a07216c3c902a66e8b5628c93ca2f111b",
    "signer": "0xA8e52aFd8802350BDa4e4B5a2381A2B9CE419652",
    "userId": "983122516"
  }
}