fix json object issue

2.2.32

fix json object issue

refactor decentralized payment

decentralized payment:
1.use paymentkit sdk generateRawTransaction method to get raw transaction info
2.use your private key sign transaction
3.1.use paymentkit sdk doDePay method to payment

2.2.30

fix account balance issue

2.2.29

upgrade version name

add depay support

2.2.28

upgrade version name

encryptPaymentData add timeZone param

encryptPaymentData add timeZone param