{
  "manageEntity": {
    "action": "Delete",
    "entityId": "469969",
    "entityType": "Track",
    "nonce": "0x013ea678d4ce8fbbea262f800ac578e29a7f10a02137aa760d645361ee75e3a7",
    "signature": "0xd9e60fb4ce3ee0c5c05cb7de063ad57f58a18cec283fde13c7194272086500395c837c96e5adfb472bc202c5bcbfeccf5c0c442b69afda59a8f3b71ab295e1991b",
    "signer": "0x08306837e71095B485615eB84552E91164c3249c",
    "userId": "53061"
  }
}