Transaction not yet indexed

Q21hdxLmCCW8VEiUBR9pTjMUfDb3cdCmP6WvRcaTeLEBMv4yUBfXB8in2Xt5zEyna3AMMKphniBBeTUtkiU5TF6

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