Transaction not yet indexed

53mRwFhbY13FNbcnu6cPTusKSUmFJm6VBpVnR1mXTubocXS3mYKx84U9oFScmiHLK9SZFX18zU9JXsP4vkPMEK3

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