{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1987505295",
    "entityType": "Track",
    "nonce": "0x5f94f92c1de3f413070eac06b3763bd99df43c322bd141f95fb6503abe5d1d11",
    "signature": "0x08649987f0f1059d799967e599caf0f53c72f9485f8a4e91b8fe7a51b26c47065d5302b1d0aa00ba4c63f0ef428e2d0d944acbda292ffe822e37de99afadabfb1b",
    "signer": "0x6D743436eC5c0BFbaF82Eb6E5c44B035d345931a",
    "userId": "308623477"
  }
}