Transaction not yet indexed

MPu2JAwHZjrzAAfwYvj4D4HEdYCELdG1MBrEKXfaX1cA3wikwXw2V2m6Ci2eTykGUPX6tA9JTky1t5CQbfeFmt4

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