Transaction not yet indexed

U21oFkC3YrQJVTr3fSdJmmjoXcpxeB2DSk19ehsqRbrZJLRgXYXJwpfSqT6Ey3deBHRbzEC953QwJBxyTHCntxp

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