{
  "manageEntity": {
    "action": "Create",
    "entityId": "1506269003",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1506269003,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x3dbeaad4f4c5ba6f949b14ff41d4d79959ab7bbb195c729f6cca0b0d94d595f5",
    "signature": "0x4108e8830b4b1f3605e0d990582a878198a73336ee9c3ecc17a67d9c560bf9fd0151f2704431625fc94e2db8d8602b53733fbd5d5bd2448f10d39b575772f9211b",
    "signer": "0x78b1D5019B40275318bA0D6eBCf4AF35cbCfA11b",
    "userId": "467683035"
  }
}