Transaction not yet indexed

53S6qgDMn7uTXe191WZ3G76CeBj9jAuZ2ESqqcucBeEHjdHC494c6cqhpZVGwuTum9Xw6EQ7Ap5Sqmb2LPiGYABM

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