{
  "manageEntity": {
    "action": "Create",
    "entityType": "DeveloperApp",
    "metadata": "{\"address\":\"0x6f9625d93f40ddf323f4f86b54263e17d81502ba\",\"name\":\"xiaozhi\",\"description\":\"listen music\",\"image_url\":\"http://localhost/callback\",\"app_signature\":{\"message\":\"Creating Audius developer app at 1776945743\",\"signature\":\"0xc3d83d5685037677d26092aeb1a93d3cb656ea1792ff799f2965a786d1d0ac3d6a074d517fbfc383d655de4868f4fbade1a2f7714ffa49888a650aa927f565311b\"}}",
    "nonce": "0xeaf6492acfc52880e9a05fb5acc897bf3cef5e05e25e28f2f664ea4965b448bb",
    "signature": "0x02a63b190942687174400a1d5b164576da4389033e269b7311d7f447c559a8a45abcc55cd1e71e1038343a692122819e2816a0fd3519cc024a1aefe7ed2056b31b",
    "signer": "0x3a95317aB78D4101E1eb8B44deA9918EB55cEda2",
    "userId": "317509889"
  }
}