{
  "manageEntity": {
    "action": "Delete",
    "entityId": "545810465",
    "entityType": "Track",
    "nonce": "0x51123049554b0a803001335d1707b39834b6457250950ceeb336b26f092001f5",
    "signature": "0x30c051b9ee9bdbb08b29521a763f0e749e42c2d0149a4cb996e1390fda591a3411184c6179542bb4115d1ed2f89a12afcc75ac76b814b3cfa24275f9d6a122cd1b",
    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}