Transaction not yet indexed

528pkvDZZeaUkh1dCKUswkVMtDVipfZFT7qfMpARSn1XcFpVJQFqpgBAx9PHUZ8tZGVn5A7FjnCPkA6SNmH5g2Tn

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