Transaction not yet indexed

SX3mmrG9ijxtSgpTC2YLgKTDAjPxfzC4rMsYBQJX28rmvooy5n6iHRL8Gs6ATm2KcE8MLwwhJHUDyZUt7nJZGb8

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