{
  "manageEntity": {
    "action": "Update",
    "entityId": "831048896",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxhrmomont6tij5mytg2ybh4angwcl7g3yb26rakejbbvmbefboaq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2049732385},{\"type\":\"playlist\",\"playlist_id\":89830}]}}}",
    "nonce": "0xe31071ecf5b84cf574e29039a24cda72221fe707c4e9211cf133abbecb14f795",
    "signature": "0x269f030a7cb26e9ec07255f3cf9a636e39b91fbaedaa2fd08d0c3365d00de5b065598cb61905186a2ea62e6c620df548535cc5bca117daa884e672c3078aee251c",
    "signer": "0xFd603a97B294381F5bD8EbAC123EfAc44a23741D",
    "userId": "831048896"
  }
}