{
  "manageEntity": {
    "action": "Update",
    "entityId": "655513271",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe2c7fe18034696758268f1477dc8da5a52c85f45002a18462fd0dfab43707fee",
    "signature": "0x1b769d5200664bbcef796de76a95729bfe8ce842036e956bfc998bde88fc5a9811c0502d0095343d841e65d1451d4794c4194edf23ba811f8f6db242f0dc518e1b",
    "signer": "0x76ba12AFF102385Ed9B81A12b7A4240688Bd7476",
    "userId": "655513271"
  }
}