{
  "manageEntity": {
    "action": "Create",
    "entityType": "DeveloperApp",
    "metadata": "{\"address\":\"0xd5a3d25c47694816e8fb4680de35b8ad8cd4b47d\",\"name\":\"Rubric Test App\",\"description\":\"\",\"app_signature\":{\"message\":\"Creating Audius developer app at 1776977898\",\"signature\":\"0x6e6d59661fb841dfa07df277c01e5062ab3bc19320dc0b6b2fa89bd6c60099b64dd1d319fbdc83bd0e0ad37a4c678a1a771cd0d1b0af0d8bf1ce6c4a4c134b0c1c\"}}",
    "nonce": "0x070cb79f542d9df651a8bc95e61da7851d866f0b6561f8ad2980e80a582e501e",
    "signature": "0xdf6602f671844ed4402c36643be05d7b03ca3caa02ebe87276390436082917e976c584b2fecb09ca3fd94f87b182ea62490397009adde47424ac5267ba1ff7ec1c",
    "signer": "0xa5151D7f37E0bb23cB521A936F65fEF7aD27cCe5",
    "userId": "465684452"
  }
}