Transaction not yet indexed

661MtKGNpDMWiApJT1hEBKrhoLZXSfGfoLLdrJJy7dRAv1VPDM2nF4cHomQvUFFVmZHAAAhNqvyGpmvLeBPq4yuk

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