Transaction not yet indexed

Am8u2ot49mpNJ1ArHJTgbzvaqpZdoS2jZVUUUowj4DDBVUy8gycJK2A67VKdPvxaZpD1o1PJyTaTvMeygE2ozDk

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