Transaction not yet indexed

MumWhcRZQASjMpwPZFxTJz3SYGNGv2S6EDHuAmUowZr51jqEn4zdVFJDF5krMogBe14TWcn1RfPmsN4o4iWKBML

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