{
  "manageEntity": {
    "action": "Create",
    "entityId": "1319022494",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1319022494,\"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": "0x0027487ad418b782c6a3bbead776cc5dc44758f2df87ea258fd88dd0483cce03",
    "signature": "0x854f4e2e121c223b68abebd3a1e55aecd67e75a1dcf36d6404e1c99d23f77d74011e5e2f77451651c39bfdc960c57cb3f555b8b0d326a94fdb901b303d318a3e1c",
    "signer": "0x4B0a22A25ed0c580309e8a5565722854C6b7873A",
    "userId": "308261833"
  }
}