Transaction not yet indexed

a4Ab87TpsLUVMUTJsjAD1ejdFgz2hNEGEFGFmQ4m2nMn2nVFBvNn6VyMHuYPgdpwm99pkkJ4ub3vJcFyAfTj1XB

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