Transaction not yet indexed

a66qM4PBCprPqCNLBhauqj1KMb6DfuiMKZFfeqeCjFN311PWSRFj7Ch8upcncEaMX9nHiFgfQbvAfdtNMGVBU19

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