Transaction not yet indexed

55BNVpkcmZHTTX7Xw4vBoAMqvCmiDry4Qqqh6AwEaELkHHGYKpMFdkhpaqsw1PcN7Ssk6a35Pk7nSfxaNb8NFj21

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