{
  "manageEntity": {
    "action": "Update",
    "entityId": "333489118",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x52a44204c57bc827443bf7cbbafcdf2c536580a23d1ecf505d85b625b2992106",
    "signature": "0x86f021cef2a0ac17e9f7450051a7f473cc984ae4c44fa62fb1a7af8bfd3396c600b8c741bf86b8df54b02f4d592e31a371c5585a86aa62b04d52531ddae4ec4b1c",
    "signer": "0xEEAa84786FAda8Cfe291Cc0469c585882Cfb1320",
    "userId": "333489118"
  }
}