{
  "manageEntity": {
    "action": "Create",
    "entityType": "DeveloperApp",
    "metadata": "{\"address\":\"0x9879728cd264a8d4f48410caa3c307d6d0139ec6\",\"name\":\"tryout\",\"description\":\"\",\"app_signature\":{\"message\":\"Creating Audius developer app at 1783712231\",\"signature\":\"0x20b50891555563c39d4e3ad594e52c8266f27b58a9212edc88e2e34e24715dc343be4989baec3789fd26f2e69bb10025fc5cc3eb098d233b9be81d45cc83332a1c\"}}",
    "nonce": "0x439eb95af52a1164dc62a028928ca73d591fb1a7dd30eb1921bb09a306620a7a",
    "signature": "0x72129ccae4bb8bd982105118c6d18eb0792628c1fb2a6c14afb3b6f2bb8874b47cbc651562d4f5aaa5a45c22434a8e1572e93cbe3310a4830c9513811eb439571b",
    "signer": "0x4086Dda2D91F77cd46De0859a4de37F888508faA",
    "userId": "568518925"
  }
}