Transaction not yet indexed

Mb66a4rb9TA5yeqQUVHybRCPwtX5bwu7omrXmF1VNQRm4rbUUBde31R9XU9k9dj7i3RbWcrAMngskXZxtY9oZmy

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