Transaction not yet indexed

ECw8bbcLfhDwpvVCHNvgHSe8YbHK567aZVhrqBFFSpo7RcVVTZWxQqgkh4JWsnrp8FzFStzr37b7N8yQTok8We6

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