{
  "manageEntity": {
    "action": "Update",
    "entityId": "341010046",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc34fbbbd1973dc51cd7e61129aba03f4570460de7ba7da9e1d214bdd66af492d",
    "signature": "0x87ee65dfe8995a2757dededc0adcd4e65a15edcf74e7b520ec3457d28997ed83604edbdc2f47cd9d26fa41cfa74ae890bc19f8e104192df852fb9597fbb284811c",
    "signer": "0xeAfD0A53f39caF57D296858F883989aa0c32Ea33",
    "userId": "341010046"
  }
}