{
  "manageEntity": {
    "action": "Delete",
    "entityId": "743876631",
    "entityType": "Track",
    "nonce": "0x87f11164226327cd7db1fa26368180310037307607b6888369321b0e38b8bb97",
    "signature": "0x10ed6e23d5d2cbe82e419a67ea335be06191a405d6a8fcfd3e96948a381e596f69cc08b40d2819e9e7937dd88f4530f99567e39aff63e114560631458e5717ab1b",
    "signer": "0x49AAe7F19C6F36Ad6A28BbD81d50c5B9605bD230",
    "userId": "402520233"
  }
}