Transaction not yet indexed

AmcW3dMBNYXFuKyowhsE7ofKCjtGE7oeKBQv6YBJSds7eZT1qmDgy1igTtijFT4VDTAgPyzP4TCSGZ56x7e3AKP

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