Transaction not yet indexed

NX9X3vmV3ZcW7VBRCKPqR9W7cCuUiAEQFGRXuGhWjYMw1Rq2nYXP9zafJWivgRDc1YFkKfKBXusXLoAnJExPcs2

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