Transaction not yet indexed

53UNM6TCbSCaFNCAsoAMmJn2Lqcuh4cf4jnTCmN1ro8mYxCtsCwv6KseXqCx3fgzKzrUFEvhR6tmqLdvBBB6P1GV

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