{
  "manageEntity": {
    "action": "Update",
    "entityId": "355113",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3kmtqlwpoeru6xjgn37yz7strcrvpweuvngooxvyu7rdzutgqqjq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":429842278},{\"type\":\"playlist\",\"playlist_id\":1606239428},{\"type\":\"playlist\",\"playlist_id\":1945398524},{\"type\":\"playlist\",\"playlist_id\":140294347},{\"type\":\"playlist\",\"playlist_id\":406630004},{\"type\":\"playlist\",\"playlist_id\":587901624},{\"type\":\"playlist\",\"playlist_id\":513255298},{\"type\":\"playlist\",\"playlist_id\":1732150477},{\"type\":\"playlist\",\"playlist_id\":693506812}]}}}",
    "nonce": "0xd9a78435a34e6aa42a2ff12c4cc4f15d94656d2552b5482484c4ecf97198e9d3",
    "signature": "0xfb141387bc5d6f8fc69eef3343df1a2da34bb8aa6392a8dd257c5f94067e274369ae29f691c75af9696fe7958b490c09920f74dd8cd09327c19ec8d14cfef8ea1b",
    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}