{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1305616545",
    "entityType": "Track",
    "nonce": "0x3f4fc29d99c0a8f6750f22b0d3873f0fbd53cb51a325abd78c0b68ee4a1fb38c",
    "signature": "0xd57160b133ad6b8de6bc377b96d35e0f11dc83cb1f52eee8c54d41c1df1fddfd591f05393a4736b38df12cfca347cca95411ff8ae97f6d5df34c8d161613ce6a1c",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}