Transaction not yet indexed

YMEEmSBgHWjFWWMdkLRoYWAneyu9MYYC4ZMpRaSxK6mfzqfnHppNhXnb32ktDhhvdyjpnDW9TH2DZHA47T6pyZ2

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