{
  "manageEntity": {
    "action": "Update",
    "entityId": "175028576",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5bf8318c0754aa312ab3346ac8c1177c69b20f35b9b58f1f4782b418a15d6cca",
    "signature": "0xecf11a90d3b1e322ac52528da7c4b79eb6ce54d585eab16ce72d116e40038e7613811e362cbde82643ee1a5b8b9acd4c795ed9f81031b13df01fde186039d5dd1b",
    "signer": "0xd4614D99680E0D5Ae4629DFD26c678C47A1a9Bde",
    "userId": "175028576"
  }
}