{
  "manageEntity": {
    "action": "Update",
    "entityId": "67097366",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa4d2bad3e275aeb8d26b6b37d2b6fb304d3b79ace7046c484ef0709d1b7509bf",
    "signature": "0xfb2efa2bf1cf586a004ddbc5d55407918c17dda4d7d48630f190c0d94520d84f6f5689049cbd27bceda40e375738f04944a88b125bae9b8dc23225fdcf13f4f51c",
    "signer": "0xd721F9AD69261A8300e6Bbe63C1f5464A5C60365",
    "userId": "67097366"
  }
}