Transaction not yet indexed

MU9bkEBJHmqCSPPA2mya3Gx4mTqXvwnFY7wcxP2rc8ifsuSJExeeXw8YS2VmCb1YTFBjG2iRPcNftfYW7SMZqBf

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