Transaction not yet indexed

1AmHDMVtTHeqiU4j4Ttih1Hq3oJKTFyZLvFVRpNtqHGEk8bAh1ad9Q57UdWRhwoVYiQ2SSJPw7eXjyPHb8S2MMR

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