Transaction not yet indexed

h21VXhM8kjUtXqDPtHrdJ56QVqa6AmEffR8fhtVyc2nfKwdYAgfYYKyDvQWUoqTkTn3HyVsbv153PoE7g8hDQUs

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