{
  "manageEntity": {
    "action": "Update",
    "entityId": "80623860",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2f2765ed5ddfa4e1dac5fecb210676523a6d643c92b14e97769ec59663698c25",
    "signature": "0x07f57231dbfff486144d5dadf6b112750aeb100158e9adfe4993112b7e5a60f00db92f9910b0b940302cd9e1c0da2da47006d6553c27c8d631fada957dffee871b",
    "signer": "0xC9fBd2329b731fB92D2536A37f8Fa985124329c1",
    "userId": "80623860"
  }
}