{
  "manageEntity": {
    "action": "Save",
    "entityId": "92161249",
    "entityType": "Track",
    "nonce": "0xea0f11f8cc8427d3b73939fef3ae381ca745a979774cf9798330c175ba040734",
    "signature": "0xd26402032e2893c89d6d020855d962e8dbd52de61900ba21bbff637c59d31e5d5f5a01ea672296b7365dc7b8e01800f4960c4b33f19c28f3c247caeb64425b4b1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}