Transaction not yet indexed

AMst1fMJmyoFTMpFgKABE1FBSGJB5KKVnjbjdsQeVkJe1SkMzJY1tFi36gVzZMzA5Sw9Hdc2TQf2MHDSd2vmK6C

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