{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1467393105",
    "entityType": "Track",
    "nonce": "0x56308f7947b45a27f29be2a4b617ff6ba976f706def76cb82f49c07f53fb3997",
    "signature": "0xa164a61a04ec8511ddaa63aefaefb4f7ccd935cb3760b935f85b7d84c15456a40ca4ef94d2edc85aea2307e929d13f14adf938b82dcb0e48614003a72ed56d561c",
    "signer": "0xF7Ff21A93e2fD804bf23303760999b125e251EbC",
    "userId": "571769298"
  }
}