{
  "manageEntity": {
    "action": "Create",
    "entityId": "2125383454",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":2125383454,\"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": "0x7daa2586377a3291dbdd37ff3fd413d513e489b6a84c10e70fe8beaa7ee99fc9",
    "signature": "0x4292a4bea468b3325c905c2a8fbe044b3613111638b9786406d998e3c9cf569c2b0f35eb52815d368fd2e350ec23ffae9cc886ea2ba1a3729d24e7f3d2ac62281b",
    "signer": "0xe62fb04C802261ED8A960eDA707cf5636AA369D7",
    "userId": "271471684"
  }
}