Transaction not yet indexed

553rUDG1MDPVBvWvnG9tr1pfnaqztGwTLH4yaAAJ7En4U8uPgrDvNK7Qj3RggmCyEVnNWdKK6mvdukRZGCiMHip1

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