{
  "manageEntity": {
    "action": "Update",
    "entityId": "107533033",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierap52xknk3mtwzfdwrwu73dzfbjzdb7nn72mo6vq475x3gqouptlkq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1874732429},{\"type\":\"playlist\",\"playlist_id\":1245868064}]}}}",
    "nonce": "0x99b46d44a686b538cac402a562c97a7695c4c10005a462891929d002e90cf833",
    "signature": "0xe6178494e41ca56edd27901c5311c8c15114207b69176d6be50fcdb301ad143e74cdba3e4fc0bc39bfd4b96ca19d1e12d3f975b6fa5b078ab87e7a5643f283b61c",
    "signer": "0xe30d9EF18ACc16728b76ba5E86177099D81D186a",
    "userId": "107533033"
  }
}