{
  "manageEntity": {
    "action": "Save",
    "entityId": "88024",
    "entityType": "Track",
    "nonce": "0x62341f0324da7b864a5fd997e35febec67692c9553c629050ef4dbb21cc3d94d",
    "signature": "0x8e5ffb770492c7b0419bf52510f7a3ee3bda7a8c81a53fae76999ae4ed12c6b07f1e798d4abae8bcf6bf5321586800f957eeaf04bb27ca4fe8880e44a745c6a61b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}