{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1916389617",
    "entityType": "Track",
    "nonce": "0xfed9e9e48bac5cf3c416e01585b8c40834729318f69f87acc79ac7a486770039",
    "signature": "0x4126a697b9d07f3368a29e441985b79256619e06f5b16d7486a580141be3e6c925495828c655359e203ad3249efa27af85186acad69d458d2c3fef357621c0211c",
    "signer": "0x6d5F0ab3834a969A58d2cd4961d64d0E609D0ecA",
    "userId": "219883"
  }
}