Transaction not yet indexed

21mkUMH8X6sKjF76GZf2HoE2V55dXFKs75tS3iAhksJacAh4ju5tx6d5eXwLfHv9BF6apjE5R33fZG6EbJBwRYv3

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