{
  "manageEntity": {
    "action": "Update",
    "entityId": "83631752",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x98c84eae288555ea56bd5b3355eef85303493ab3c3ab778b8929994e8f9fdcf8",
    "signature": "0xb2f378a634d76babd66399fbd5610ffd24efbd1c1d1ea1e208e27619cb1207561d174f3a564e325d6de4ef967091bc7cfc6eb91e71ea01cdb9a8910bba0f96711b",
    "signer": "0xd07b5397D5479A6937AF36CeA9Cd643373053AA8",
    "userId": "83631752"
  }
}