{
  "manageEntity": {
    "action": "Create",
    "entityId": "1553263550",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1553263550,\"description\":\"\",\"playlist_name\":\"TALK TO ME \",\"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\":[{\"timestamp\":1774899612,\"metadata_timestamp\":1774899612,\"track_id\":700559264}]}}",
    "nonce": "0xa3e49312a6b501b10a0ec2d5c2c627af3af753b98473154562ffd9ec48bd427f",
    "signature": "0x46569d30cef7a5de99f2e7704d120d8813b6b6dc801a6b8fa7c39ac1d8bc94230e68b1a9449c7d6980eae7124be3e28191b73e616c239778303ddaf3d440afd41b",
    "signer": "0xD557322f4C774bc1d087C164282a9eA16f825e2B",
    "userId": "67688885"
  }
}