Transaction not yet indexed

21b5Zk5MF8KHamqHZ5akwr8ovkVTd3neb5eS2DS9t8atyS7smQNTJ7jRab3vwFg2Sb3EPZAehj8gUV5oVuTtkizj

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