{
  "manageEntity": {
    "action": "Update",
    "entityId": "705145649",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3d2f153bb5ed7595aa681b627502a295d613e998124910c338f491ad07af4131",
    "signature": "0xabfb6bcf575f86662b688aec5f7ba86aae54cade78a079866b2c448610ac099b6c210264a32df4c201ecbf1ca400a5f1f68f598de44e483d160a63de8c17cce71b",
    "signer": "0x6A63565fACB2f0784A88d43920Fd58c10d584dCB",
    "userId": "705145649"
  }
}