Transaction not yet indexed

421gtHjQVzMc7fqjpYKivAxRmLwpac1kPB2y8uMkYgRBqhdhJmNkbpXoLBSAReEXxcsGNRGcsufvHYAbRTmW4G8G

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