Transaction not yet indexed

Am45rqvEbM3FtpvQDMCq4F2iuHYD4qZ55iaJTjkakTP8ijDy5fBXbS1m8cyCwtFoonh5AVmpdJWDSvFu1DNPsbK

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