{
  "manageEntity": {
    "action": "Save",
    "entityId": "92197465",
    "entityType": "Track",
    "nonce": "0xdd2760a0a7b7720cd788a56e2eb6164854307274b39ee6dd03ea599de18ba91e",
    "signature": "0xd59cf85dfb4065d3703de614ce4c4c8a1c951c6c07c95c2af725d2162ceb8b74795f0363d46e765e5898cd50fa628f8bd6a27f7eddc414e53ad715f3d0724d7f1c",
    "signer": "0x05D4434893815F914255C028DF9Da0a3e11FE0E8",
    "userId": "181835656"
  }
}