Transaction not yet indexed

2ExSp6HofvUkTgm1ipz4EJMS3TL26puVtfrhMyUQ8GAAmsRVMg3KZbC4CQmNiGQzrFuWRR4pHxh9ZqhsUk9W7xB6

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