Transaction not yet indexed

53NSmC1uG7ET61UKhHHUPMjs5wQdZgUCVYHtwhAGZKYtxVbhxAEZEx3YBSibaDn15Y9Pd7GQHrPKdfCSP5GjD162

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