Transaction not yet indexed

mb5bbGjQa3ktbjuSM7dGeqqXMxFb8y8AxwjF6xAPMNiCrXyiNDhUvApBSdjSrMFnvw2TBi8uAZKAF1uHWLPLYPr

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