Transaction not yet indexed

MyU4DAvLU23jcsVCcZEbkTiyS5K7fC14u7mFbyMcJEY2P33HvCwmD92kQiw66Rr3NEjZ2WN1ZqL2r8pTYMZDJM3

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