Transaction not yet indexed

53dHkr441LhjsAiLRrtVqPrDDUKQGwPJtjZG9AE5C8tsToqPbKWCmxbTWkpNcYMV2LGkoLbWodppKH16u4j4EPS9

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