Transaction not yet indexed

21UUfuFMMSJZpwNnYWPAppX3pp7DtHVk61samufUfDcnZkQMr9cTQVpE4EgvzbUTPyrcsTsfahA6JAC5H3zrGVRa

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