Transaction not yet indexed

2b15swRrpMgEB2CdACEGqxuxKBHUqb3JJsLHsnfNyLSD5c21s1Ac6FhC7BqD6At3vphhzwCvUevoGTDpqNAdG9R6

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