Transaction not yet indexed

ymU9aVotUKYRDXPDbZC2E2qf8h9A6uqeTnQZsCMftRNbwTCWdXcK6uMhuhNWgXq3bN76yKaeUdZYL3633Zy1Z7f

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