{
  "manageEntity": {
    "action": "Update",
    "entityId": "204490266",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdf8bfebf724fec4f85882cb77b56e8277b4884e27ce8262136adfa4f7037e1d3",
    "signature": "0x9bcbec318f05b0c62f493d507d5b5d80cc2cf3d71115adfce7a59212228281f644227396fe87bb388d697d4defaea4bdc5026f6bf91cba13bbccdaaa4fa006621b",
    "signer": "0xF682C774a41423ed4CB46102EfE2DC1b18b5f8AA",
    "userId": "204490266"
  }
}