{
  "manageEntity": {
    "action": "Save",
    "entityId": "92594",
    "entityType": "Track",
    "nonce": "0x44c6fc5e358e2c8b2a514be132a569e93913efb165c4b3453212f42bc1334a1e",
    "signature": "0x015c88ada7bcb8322c03e1383e1bcce603c6fb411cf1947354b63e30c8f25f2e625ed7171b12c65641fbaa72a56d980963a9a7515865e9e7bcee532e99bdeb0d1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}