{
  "manageEntity": {
    "action": "Update",
    "entityId": "795581772",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9907aea3e9f16da1343a7eafd98158cb939f6fcff8f07e0feccb97b1d9ea1756",
    "signature": "0x81885a155de16e0b298f16697c6ba760193f9403a9fba92048f8a4c8f640a8341334a74ecb953ddcaaf6c96a976ca2b4485f9deb84e9c4724de93db5863b66611b",
    "signer": "0x63F2eE99c7dF8018FbdBD49a3b72F1FD758534e7",
    "userId": "795581772"
  }
}