{
  "manageEntity": {
    "action": "Update",
    "entityId": "790313179",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x923408abc19503c90052805dbd9e461af57870a680b12dda8fb1baa49dc11107",
    "signature": "0xda690ce2faf8bf158c760f8ac187c65c7b52b38175259de586c4bbf83053a14921a0d632149ff3d483283dcd1f535e6ee825df022dac92fb3d59509c8dbdf1081b",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}