{
  "manageEntity": {
    "action": "Update",
    "entityId": "94040808",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawe77vqltrr4jinpuxdweblin65lrchttdfhyt4gv7vqvgkyk2sda\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":120929969}]}}}",
    "nonce": "0xe435a19be6b730978074c8501176a6a3df639b46cb4aa81e56128ac064e12960",
    "signature": "0x4ab964921dad50ddc87c641e016181ab36c71ae8703134a0a13f609022a8c1281ebdbcbf4a683573f245fcdf3558c35299e3ba1c4ca3fbf89760aa181da6aa8d1c",
    "signer": "0x84Eb3Dfa8e07C0d2285f5e49245F582fdF6eb1fb",
    "userId": "94040808"
  }
}