{
  "manageEntity": {
    "action": "Save",
    "entityId": "1026224885",
    "entityType": "Track",
    "nonce": "0xabc6e9fae88b258f8d245fa916e7f646f188a4ea171e5b0918ff1d1d542b540b",
    "signature": "0xa40ade021abef071ba5a9aae9c5ddc1098d14cf4f3a242fe39018dd61885c2c7275451682337092680f84da54980e8cba46b3637a0647a4b2765a34d77a39a7f1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}