Transaction not yet indexed

M99ZAA2YJWQARzVCkMNpVdTV3Gtc3saS6vsH8Y9p13jSA2AG6h89ww5R3JfAwrXHA74Gic7Pc33Fc5YJFAD7Cn1

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