{
  "manageEntity": {
    "action": "Create",
    "entityId": "1300593478",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1300593478,\"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": "0x9474c33af2dfcd01fb767339b993c7066a291883b0fd92c1673362ac7784ab9e",
    "signature": "0x6e464f76dbe8a68855828c972ea5fb42f5f98077c14b4b1ca97d6464b2023ef9635f371b99b82e779bec6731fa61a655b8cde8e50cd30434514ccb2bf62993cb1c",
    "signer": "0x14e55E321cbE7Dac3De3f8E5514776431323C054",
    "userId": "207817023"
  }
}