{
  "manageEntity": {
    "action": "Delete",
    "entityId": "779885269",
    "entityType": "Track",
    "nonce": "0x97d8ee8895fd13068850815ba064d92e4bacfd890593e6fca073411f44477524",
    "signature": "0x73ea1f447d24f7d9b88704b7ae3c026af9f3d029b66b05e8ab263fac06bf6a74205cbed69a93df2bf598730179b1440a0f9fb8b0fd7be5414dfe2c2729f5b7c11b",
    "signer": "0x6e9C5B9b53E6B0262A1F0e7D522171B38207717B",
    "userId": "152611"
  }
}