Transaction not yet indexed

278zmcHCRKdgZB2cXyC9yhp692vqCwFH9P9RE4kjPhhEGJ6cJPQcoBMPjMJDMnxZEiKEjzym9yiFxrVCpf6DQyS2

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