{
  "manageEntity": {
    "action": "Update",
    "entityId": "363745917",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9e56fb7d3e30b755e4526b8909bfae3de3564965b840bf821cf4b574d56fa74e",
    "signature": "0x13596ff1d5ac48dfdfc67559dfd1a83b7045a384ebe5e2dff89a26eb7b0967884efd26366ca76900467b2e1ad2e6fed9cebd907226d82396ef52d61262894cd71b",
    "signer": "0xa6Ef6c60F45b6De4fceCddbF897d2a87F70802f3",
    "userId": "363745917"
  }
}