{
  "manageEntity": {
    "action": "Create",
    "entityId": "535350953",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":535350953,\"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": "0x63971b81122b2a62b9768cdef8752aad6f15e13484739bfaf5b2aad52703befa",
    "signature": "0x874d1153498dc23422fcff791f646125dc0cdc334b229cc8ec3a362a64e8eae648b7853d26ab491e62eed48f9d3cb6932e981364a9324104cbf0e5b79712a8b01c",
    "signer": "0x16a54865620979587337abf52693F71E16a95Bac",
    "userId": "219724044"
  }
}