Transaction not yet indexed

M66uLsnrnYsau7qmT2ser5pYBRQA8ZciHVnfPCcT6A6stvBprRqD8ySHmJEqYXbrVTqPyYeVWxiGPgk5aBQaLKr

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