{
  "manageEntity": {
    "action": "Create",
    "entityId": "1991775159",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1991775159,\"description\":\"\",\"playlist_name\":\"true blue stone\",\"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\":1774973740,\"metadata_timestamp\":1774973740,\"track_id\":532408156}]}}",
    "nonce": "0xb82164842cd44ee33fde8d50d49c479dd5bfffa9a715d84112ddcd74f7fac85b",
    "signature": "0xf7a3d8ddfe8dc6783dad4ee951e2f700b3977497934a165f952c5d658e8566195fe190f8ce96b72cfccf83b2151d81b097e433f9fcb255e962357e8f33aada641c",
    "signer": "0x4aa5a207F36Ff1E12cbEfB5ef08bb83F8bF21F68",
    "userId": "562613548"
  }
}