Transaction not yet indexed

21tU5bwLc3jnyLMSAhxtfvqsW1MNSqJDcECUp3SiLWK6iGD7ThVmHG6xNTjQ145EE4X2gK8r2TU1sY6MhDNbsgx4

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