Transaction not yet indexed

AAPU9aScK7ErA1fuPwwgaZYKSWLd3CKd3QL2wWeqEHnDuAa1ZPk86yvmX8Xb9tFURs4Ah2ndhDoTLYU9ycGSjsQ

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