{
  "manageEntity": {
    "action": "Create",
    "entityId": "309891134",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":309891134,\"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": "0xdbe7c1bdfad82fc6877e2ccb0866068de54576ae2a46256101e23497d6c9e32c",
    "signature": "0x844890449ab4f7912a1b96f885c04b1b4aa8d157106e212660c1491bf0c9e05577795fa9eba85b5d98b49be1e81d00a45606d7fa33dd4321f8e235e344d1d09a1b",
    "signer": "0x7a991F28f8c946030bE26Eb8408414771247985d",
    "userId": "514559071"
  }
}