{
  "manageEntity": {
    "action": "Update",
    "entityId": "93814449",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf38fe0592d0fe968ecea214551f1420d119ff35c814cec066fb627c59f9887b8",
    "signature": "0xc0a7d742c52dc4e42560e19dc3a1ac4e95a97210e12d654f519d22b698f0354f2e401b3ccd24b8d522f1fc205fe4f0dae2c605727e79f4684b5b660754cb2b911b",
    "signer": "0xc40850178B74672DD809330aE4477a7Dc40Cda7B",
    "userId": "93814449"
  }
}