{
"manageEntity": {
"action": "Update",
"entityId": "978508300",
"entityType": "User",
"metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
"nonce": "0xcc2a9e8a9bbc6a009f376fa60b035c2d9973acbeb68c6c90461b07aba545ea32",
"signature": "0xe528746276eab26f3e5e7423c7092a68b8f4e0d7cd27e230a66c221b2903fecd5d80fba7f3a1b753a3a2839701d326c57b04b9092162bb06c9cdc42b35acebf31c",
"signer": "0x59d085F07E429d92baFFf1bdB0a48bcb5AC9A6c2",
"userId": "978508300"
}
}