Transaction not yet indexed

53tSbVbHnVrG9tyPjzS7WSX8NiM3VuPUD1tKHC1Smcb7SvVVbTGnrdnniu2xRXYu45CtuU6bM1F2VGcmusnmEBn3

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