{
  "manageEntity": {
    "action": "Update",
    "entityId": "733215727",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xed2a45435aeeb31de255efa2f5a1ccf0e797ba582557113bca81f625d90d6d90",
    "signature": "0x96b7acd2f61904820b0d95d527ccf11030e94bc2dfd53402ec184e6f18607a2a591776dce5d756ce68a87f94175a35392a24788088fda660441d82b4972008581c",
    "signer": "0xA275D81CF2e99e1CBCEEA244Fa82421501e665Bb",
    "userId": "733215727"
  }
}