Transaction not yet indexed

yMt5xciMQ519RmsKgwjpHqMZ9yyuPZsFpkVf4rp3z8rAmKGKRCWhPZxrRJQkh4r6eWtcjFCfUGdiZ4q3HVSDUBA

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