Transaction not yet indexed

i87SHEqGxGVvBhtdR9Xm5mb8VCHBEEacrqbTNfNGaUkEZ2oq4o4PrKdEJXYevDcnFDXnonZJ3dCWMfGpX1VLjo1

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