Transaction not yet indexed

YKAkp9FeuBGoHSHkGAA66n9znxSpG1YGqVKsqBUghFHuHHYgiwCG4cFS8aQcAEaoua2vAe26WQbpZT7tooKYEa9

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