Transaction not yet indexed

mtL4cMd5UvkwjM6o3vBPAtgLFXEVttmE2fRDMHn8S1a43zw4ffZY3SHNT9MpuFd1t1WvNUAJtC3DH4fSobFH4c8

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