Transaction not yet indexed

5a21Gb7xJA5o3MdC2bjXagQM7C57YkRKvX4gVxKyzb4dR2VXpEXymQzCf2cvbTWCBT1QM8CHdkXfxAk9LCgww5zQ

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