Transaction not yet indexed

iT6557dZZWvuXyrnSMXfuSsttpWWhDQHgpA2xnAx6Qc8F9JzfBvW1vqcyZLc4Dnqy29azDfdjC64rvk6KyBZj3B

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