{
  "manageEntity": {
    "action": "Update",
    "entityId": "614239389",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera456am2c2765yi6ga4stwzc5u4nq75gmi6cj6arrmyfpijwysoypa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":8356115}]}}}",
    "nonce": "0x8301f4dbbe9c753c2da1b5e278cf52f2e8419b037ca8a20d5cb66749d325bee3",
    "signature": "0xa3f8595166a4ce9594b86754d1d1905e08061fdaea29327ee7da24262e3e55062ad9c9a2e9270d30f5a6b5a9c69f3f929503fce1f150cfdd603511922bcc7dad1c",
    "signer": "0x7CBD48746133eD85fF7961BB95ef540342952cf5",
    "userId": "614239389"
  }
}