Transaction not yet indexed

MdY7cV228YHHHCqLNtRqj3bbFn7UCKGdZCUJ3cm7Yodv7YuowTchXFfx8bcEUS2kY2k7vuTRbdYrv4vggkdQEQ3

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