Transaction not yet indexed

2C521c4XzmPEpe6yvuUxZFnHhLU98KogfpELTWjMPS96PFDtc8p4pdCA4qb8adLfLxpXA2bCSfkhDfYAXPqAs3yw

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