C:\Users\jbwum>adb shell dumpsys nfc
mState=on
mIsZeroClickRequested=false
mScreenState=ON_UNLOCKED
mIsSecureNfcEnabled=false
mTechMask: default
mEnableLPD: true
mEnableReader: false
mEnableHostRouting: true
mEnableP2p: false
Registered HCE services for current user:
User 鏈轰富 :
Registered HCE-F services for current user:
User 鏈轰富 :
Preferred services (in order of importance):
*** Current preferred foreground service: null
*** Current preferred payment service: null
Next tap default: null
Default for foreground app (UID: 0): null
Default in payment settings: null
Payment settings allows override: false
AID cache entries:
Service preferred by foreground app: null
Preferred payment service: null
Routing table:
Default route: secure element
T3T Identifier cache entries:
HCE-F routing table:
Bound HCE-A/HCE-B services:
Bound HCE-F services:
mOverrideIntent=null
mOverrideFilters=null
mOverrideTechLists=null
--- BEGIN:NFCSNOOP_LOG_SUMMARY (933 bytes in) ---
AQh5iLd9BQYAeJytkj9oU1EUxr/vnntfXl4SNWmsaQOaWEQFB7WI4tQKOhREqS116CBS3IrFxU0S/0zOIg5CZ8HFSREFcXAUEVdxEBwEKS7i9DznJs8EQSff8N555/zu
/b57z/GITweEx91JgHMaVrFc0fASyg4d7+cbnAx4TgPpgC5e7jSSuzF9IwFXJc+ZI9UcHAQ93MQt3EYN7TYNz8SLCyLiKLhf1X32QvX2bNMV87oo4J1teEpXuwo+Tmh8
GWmPoKheBQ9Kg0x/mBG0lNFPSPAwOk1EC4J9BgqcRlkBvPFjwLNQAIfTCEiC2TAGLJQjkAV8EfNJ16PHemb2aJd0sW5eyFch7mxEX4mnI+JTc0gI7mwvRL6Pu3g7cCGC
47+B9+PAuTQCSYInU3brItzcOoutA3btsgD9O40c/3y+6Sn1CCPq85+ElhN8nSsESmU8qkYB7elmiRLQzWLRcTHFh0qsBXCRPsE9GTO2vP9/G5vG66sm4HbxYPPMlXWy
4VwpF22+55qaq2GlEYFMjrJzgjxPncCVEHNBB/EQA5Za5svpzAZcOzaKf7SLuIkl7Ti6Uk9BUgeUPfaZcEObujpjAyrW1BdHjEosfHzSshpOYK1uWe6ANBzq2rG61xeD
R61rkM5Dhtly9FRyA58BP1sj9Qvur+rXp4bqvwAk9lMg
--- END:NFCSNOOP_LOG_SUMMARY ---
as far as I know , we only have user manual to parse NCI log, but no tool to parse to Base64.