Transaction not yet indexed

666YzfzSgT4LhzuAmi12F4wyX4x6XvL21sHKGrDVQCx4gkR7PCgg1mL1h71nyRCseVdx6W9n4eQF8tBB3JSoc1u2

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