{
  "manageEntity": {
    "action": "Create",
    "entityId": "1243144592",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1243144592,\"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": "0x302c5bbbd622ee862c7966aca409e9e862fb12803fbc01c204bccb24e056c6a2",
    "signature": "0xc09efbc460233c705d16b25d31da47a776cfb990834c48419c5a7c64a125feb757ea4b4fc2b810b9e2cf2dfaa713e607c71eb3e6b07a209b0e89d334ead2a8de1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}