{
  "manageEntity": {
    "action": "Update",
    "entityId": "444965341",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbd08b00d0b2f71e9f402165cc7e301c71627fa3b62a30fa0c42f2c6e384c2914",
    "signature": "0x84e3e8cc1fedf51dca5b6be5c40fe00ff33207ce9d692fedd5ba443755e72df2352be7a2e3d42b672de56153df0774a95f7d4812ec8410f338414c521b0292fe1b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}