Transaction not yet indexed

U15XjPCBiizUX4x8AjLpKRvtLc2cUP3pB9UQCTK8CSMJaDurhXm8dBiUBrfqbLtmv4eWYj4dP2rDXUcQktkH6zQ

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