Transaction not yet indexed

421ZDkd29R3EpwRQaFYYAxKne7f59yySwvp7qKFGvHc2Znk8x4DyBQNee31NqVzWuPkJC8PJZRZvBDBNdSnVeJ4J

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