{
  "manageEntity": {
    "action": "Download",
    "entityId": "671855012",
    "entityType": "Track",
    "nonce": "0xb238ea3f763649f49fe654689ec02bd533fb0b7ad7bcbfccf3ec42b0ad4992a7",
    "signature": "0xa21f3dd56b289620647d4666a9a4ab8b7b5754c67204828239969f5fb9788a0a433e4350a65103e7f5f6f27d65da196e12d9a421649c030e62e2515867f1b2d11b",
    "signer": "0x983B834EEB2c355EaD77E7F76138adb8b56faF18",
    "userId": "442086440"
  }
}