Transaction not yet indexed

iSppmZpF3W61Ndv8LNdSRGFHdTWiBSBGSg65UqUsFGYB4M7F3JXhfqqqrM9vFhaPb8y2yFu1wxhdMuFC3Lztod3

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