{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x349df5a93eed0f4efe9c9beed84982f6714b4876cd6b30852f07995dc8c9906c",
    "signature": "0x6bc7e2b13fe22ff71d7b4636fdb2dcd71386697cc63994dd478c822f90a03c6a24bdfed0d106ed8e9b667609acb20500a87a5b969a445bd7ce893cb6ba185da91b",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}