{
  "manageEntity": {
    "action": "Update",
    "entityId": "655790469",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera27rri6o6gvo2piqv2bb3sz3w47627v26b7p5vsf55d7hftitd2tq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1848153756}]}}}",
    "nonce": "0x37ea77efe0ff38b23e5bf68f1278c58bee2895e7169788fbf7f22309908e451f",
    "signature": "0x15e0308f38f463b839623d2067ca3884eb0813bcf8fe20b80aa28f2a3a36a764151010e9a1ddb9e3898b305dde63505d8c94592c2ca7cc22dc9b7e3b8cd3ab881c",
    "signer": "0x2fff7071097d912DEaB17B33e448D7280cEe0723",
    "userId": "655790469"
  }
}