{
  "manageEntity": {
    "action": "Delete",
    "entityId": "250537",
    "entityType": "Track",
    "nonce": "0x732d6e0175003ec58be6a33462936167d61dba5ad480fb27f88dc59195423171",
    "signature": "0xa764c7b8106c6eea67a102e244bc758f5c285b8f2dbaee89a2287ba65d4c254a54d88f9dfaa400210780c7246c1952647654b4583ca5133ab435cf457d6fd60a1c",
    "signer": "0xfEf71DA96b2A873D3fFA10091881F607a11Fadcc",
    "userId": "94805"
  }
}