{
  "manageEntity": {
    "action": "Update",
    "entityId": "269226599",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xac3b86d0f6673623b271c971c261a42b45395496f8494c9c9d1f41f7a8c84e31",
    "signature": "0x37136e0d43883e7e36767fe95a267c53d012ccbeb25a9b9369b4b03ed3c2b71a1faeb14aca3ab000b0ea52f2047def2b722c3fb7268f991ac3dc547e693b091d1b",
    "signer": "0x6d7654C9a23Cf411358aB3F9C03102f8c62629a2",
    "userId": "269226599"
  }
}