{
  "manageEntity": {
    "action": "Download",
    "entityId": "329824584",
    "entityType": "Track",
    "nonce": "0x46dd69cd3e745d21a7b69477e58c810c6b15096a5d510bda4c64d78db5a17710",
    "signature": "0x62d7ed7860d0f975fd75419b9b25ea1d8cf6ec7d1eb79f3c1890fb6201f9f69b5dbee56adbdf6a8de964658a0538bf66e14d5cfac7f8add64854743c4c0c16871b",
    "signer": "0x5286a74dCE491bf2bEb89a23961cBbDD545E81CD",
    "userId": "794331666"
  }
}