Transaction not yet indexed

uMBXVPmkX9YHkKZPRHEbeoNqjnQvLZ8PUoh9ErNkd3dWhvAKKwpUVshqpjoJaN3CPSeSms3HHA2TFD9qXESY7Ex

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