Transaction not yet indexed

1ECmSMsVGfMesMQmyTYjCnLL8363n3xHLZPb7LQjr93uBXWe3RedFz4NT9iCGRfJL6yArcjtudNVJHTB5iWJ5nk

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