Transaction not yet indexed

Ec55pTiyV69WmKMqd4KfTwFDx1NMMaJ9Poeeg3whsk3cfNHzNqFSFz3jKVJLSFCRzqv71KR2Sr2NDExjFWfpD18

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