Transaction not yet indexed

53JkTc1PFwar1oWn3Mark7nqQ5L9f5qwiSXkt6fYGhQ9JqQXeUjuup2WQEAf1pGPE752RD5UNwWfzccLb6TmRHu2

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