Transaction not yet indexed

ECtu2gBAQrNnRadBT1T73zJpPMM2gzTff8kmm2D8wXMdv4dKRQWCsE74wGoAtJNkfYD2dX4ESt4yoR2QBnxQspp

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