{
  "manageEntity": {
    "action": "Update",
    "entityId": "51295028",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc62146d70dfd533a89141eaf1fe8433d87bdb7f9c3d0f81cfd0b02dda0dffbbb",
    "signature": "0x41ab1ebbaf58c68051f354480ce729ece955f5076d8927affba41a6cc813d28e47817c4e549d455b987a1e129604379aeac15a7590acf82269937ec06b921b761c",
    "signer": "0xD08E735d78f9B1D9B553b1Da41a4209c791f639b",
    "userId": "51295028"
  }
}