Transaction not yet indexed

AMCmSqG1fq8CLm5i1DTjZi2Ave3DGTDamtKCBMkSyHcJqULYFiznF9AXH2V2utcHwcjTtcGfrZZgPbPPCPkbaJ3

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