{
  "manageEntity": {
    "action": "Update",
    "entityId": "992135879",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxqu5fl7nmswvnnm77smqpujefu2dz5m6kdqbnmdpsq6rr3w7fwwq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":333092122},{\"type\":\"playlist\",\"playlist_id\":1596018643},{\"type\":\"playlist\",\"playlist_id\":1845700637},{\"type\":\"playlist\",\"playlist_id\":135156135}]}}}",
    "nonce": "0x848f6dca657213359ecf684b9e39fd36da55831d739460c297363a02a613be2d",
    "signature": "0x25dab7c53d83654f60171d16300111f067e1689457288c7e5ff06c6c2b7907f95eb4db622bd8466cf0ff1dc0f0c4d529e7e30a1de80ef4c971eed4a0075c32e51b",
    "signer": "0xb6F9Bac8A5DB6b1299a7Ec5cc124D945a40B449c",
    "userId": "992135879"
  }
}