Transaction not yet indexed

666EUFvSfAHRCSXdGaGXWgY1o4YkJ14LnZb5PEY6BPKMVaMCQby6E6pSy2mAtRXwfFQWowzFwaUnCu9fykLrE6tE

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