{
  "manageEntity": {
    "action": "Update",
    "entityId": "790313179",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5518ef713e613f4f09081b2fea8e6c5b46927502106cf9380f62e6ee49109f2f",
    "signature": "0x58e221bbf77f7c87b4038c4df1d49c78573e653a5723793e480da535ee491ce44dff3242ec65f82f3663919465c4f7ae99e043626debe5dad641406989f24c291c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}