{
  "manageEntity": {
    "action": "Update",
    "entityId": "108484768",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawruauvgblkb2amuwmxl7hio75zr6bmsa4roktavpdifkqahkx72a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":929540238},{\"type\":\"playlist\",\"playlist_id\":1304614246},{\"type\":\"playlist\",\"playlist_id\":127240244}]}}}",
    "nonce": "0x1fb54498d5161be0a2790ce17ea95e104a1fcaf1b62230f89a25f68f1a2502d4",
    "signature": "0x70e4cedb6a83f779c409f29165f6f3b01503790fd4396a41e5c68d881b66acbf68a8f4c2c3bebe6e9b0b2e3566c9938e17bbefa5cc20275f6ecb96451fcdfef41c",
    "signer": "0xd6D220ae89D451907B19B02B4E8eFbbc5a566f8b",
    "userId": "108484768"
  }
}