{
  "manageEntity": {
    "action": "Update",
    "entityId": "668770242",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3nwdwqyyldwme7kjtl4pihkvoabpdhvi2muwtcnkhudbn3n6kpvq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":990845123}]}}}",
    "nonce": "0x320fbbcb23d0b5f66f9e156542b1700529027ffe8797968260fd4dd99ba4fc45",
    "signature": "0x7455430ad90d46b5ca4cec04f8ceaf0b2027d2a8536f15af90f8adffea1ecafb5dbb13c829a08f2b9020d60c5ce224f4ea76e298d7301ccb2dac8f931abfa2a21b",
    "signer": "0x2D4A56e6b6247282BDea02AcAdEf29e0105Ec131",
    "userId": "668770242"
  }
}