{
  "manageEntity": {
    "action": "Update",
    "entityId": "825038664",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6aaeacf87b94b9e47df95a3e3479518e3c382aabc12f44ef32fd7105497d1b5e",
    "signature": "0x3ad07f63dd4ee21b5dcc647930896bd6c30845c42d7b160146a083d60fbeba3e0bbced9fe24aabbaddcf9521e49af6b3b2d805f596693c7d3c9eee5aa2c98de71c",
    "signer": "0x4f466d2399bf71eB9aD70E657F5eD5F05048e2C7",
    "userId": "825038664"
  }
}