Transaction not yet indexed

2am2c4CmL6zC8QMqSwesrxwqq96Se36eGhHDJi5azHy7EXP5iqs9vnssT6FfbNwvQqEmFxvmFegNm5Xd9iNmdA18

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