{
  "manageEntity": {
    "action": "Download",
    "entityId": "78736319",
    "entityType": "Track",
    "nonce": "0xec2fba63ea5ae615df365e6489a6ea30a2b2b3b6be00307a400ab456cb7a96cd",
    "signature": "0x7f1279c2c5f7f128db267e8ff49632f83b4d266999a02c2be251a94bd5a26d580a0c00f397fc19c2d65200627d78baced31de3d24b65ae02980743f7cd02a2361c",
    "signer": "0x53E627C5A7Cbf16CBD615c9C7553EAe5c91f16e9",
    "userId": "213575596"
  }
}