{
  "manageEntity": {
    "action": "Update",
    "entityId": "186808837",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9abaac9d106738c760a1c4a2b66ebde2f80ac09ce880eca51323e432e7c52bb4",
    "signature": "0x46e23a63dd65d01f9e59471a56f10adac4c6aba13e42fe4f420ad814ae7916136416f6984c172ea6f7d22e26495a43c3395c1634fd71c77e7864566117c8ed061b",
    "signer": "0x84A48b9AeE443688701553EBCe2201Bac34BcE64",
    "userId": "186808837"
  }
}