Transaction not yet indexed

53fSigipSCqq8UnxUVfXFqPhBqDFTxti4bMcVU3aDU8NVsJiUHgJfKdDvpcUcJf7oGME7WpKBJsbdgV9QY4jLF2T

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