Transaction not yet indexed

5b1U6ENGCDdaGNK3bBiTJrfN6aNhKMyT5bwMSwsE3KnZjYbPGT6mZRwHLmeDDW2smTgfKAFKQUJV127uAp27h5qK

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