Transaction not yet indexed

21b4Np5hcf8a7f1o4FAgC1GRxXZvo7b8yUEgF8uNxMTT6NuV5MPWYHSGkJTj1ZcnMqBKKesVLe9kMxebcsTauozs

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