Transaction not yet indexed

MRb4GWUN2Yb5KzxYyB2MiK2CJAJ3DYuYCcYS8aq26bXw28YdbgQSM8fbSZ372Z93e4UgouNtbmRZj1awCCeZiL2

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.