{
  "manageEntity": {
    "action": "Create",
    "entityType": "DeveloperApp",
    "metadata": "{\"address\":\"0x5a1b3f00d7702845d35fb9f349fb038adabad0ac\",\"name\":\"Rubric Test App\",\"description\":\"\",\"app_signature\":{\"message\":\"Creating Audius developer app at 1775934116\",\"signature\":\"0x45e7ec757f97c659411cfc39485d09267263907b32c453dc43e301ddb026815941bc7dfda3e983d2f92851668a5e13d1baca5aa43526582f4a382c507aa8a4391b\"},\"redirect_uris\":[\"https://example.com/callback\"]}",
    "nonce": "0x600bee4897801401a055e219a2a824103511ca6b5ddb250c51d00ce36a99b51c",
    "signature": "0x0a1f0a097ea5d1a3484d9e23b91779eeb919333b14d99c50d7017b0a05ff02337a47f060ab92479d2178e815b3f34bbd5b3031a6c0845f9f563045c6699284e01c",
    "signer": "0x0Dd28790949e0D56720d158842c5BfaC2a4Edcf5",
    "userId": "312594670"
  }
}