{
  "manageEntity": {
    "action": "Update",
    "entityId": "566352394",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd9b1f05db3d7af1373be7a7ce18709b0c469e039b11257b53392414ee6cca695",
    "signature": "0x2bd4ef97e26a11e992dcffff19e515387edb49943902a67ce8d8b1101c7f3d0f533ea26d559b5244ec4745af6e72f4640b2a24bafe52e35e2a5dad1df664f1521b",
    "signer": "0x71EcA59070046efd3FA56C34886D37c5f3ba20Bd",
    "userId": "566352394"
  }
}