Transaction not yet indexed

mkSSW5qemURFgjqpHhd3A2Z2A2UU9YqJmQL1gB1bwa9RK4eTTUgMdAXykny55zcpQeM6DRSRu3gHRBrN4GmvtPs

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