{
  "manageEntity": {
    "action": "Create",
    "entityId": "954205215",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":954205215,\"description\":\"\",\"playlist_name\":\"My 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": "0x7f09e54141a0be84bff3789ae3c293aedc6373e51bcd73ac40c838773a934d87",
    "signature": "0xdc7d417c7a8efb7c2cf1a3aee1982737f907ce2cff545e2cdb9c5c77e58822ea0ba3393e76572b840243697c279611b55186f6f079a71d8be2004a5fca3133591b",
    "signer": "0x67bE6A9c3e7e58ce5585b0C2d1E9b753f1dAEADb",
    "userId": "880995808"
  }
}