Transaction not yet indexed

2em21wAQzAr3JQKEZJoqGW8ntiKLCPCDQeu5ec4frtyDC3r3zqHzxZwYNBppXHE45mkdS4dgNDK8gMPN122jFRE1

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