{
  "manageEntity": {
    "action": "Update",
    "entityId": "342000427",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x80ffd0b368fab299054a845f72b4a49b0b408a66eb846e0ff4b49cd318ae9d58",
    "signature": "0x581d7e016a0f0aa39a09c5bf1d81411e4f9fcd1f5a2347545cc3723affd6768a305dbc43a60df1c7cd4d076fb2a6313be65129a0dcb08074ef0fa1699467f9261c",
    "signer": "0x088c0d1bE253E7ca85CD6A68B6d880b2522c0D08",
    "userId": "342000427"
  }
}