Transaction not yet indexed

MPz4CQcWrmZT7aGUR8suRRfhEx1BXirys2JPZ4Hm6eSzdWRGkJGJgRhYNj9exDCs9Ji8w4EEtvMTU6BAvcETUSB

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