Transaction not yet indexed

55NBYBRtVVDaP6Zc9tRX8vk7GNpFcH3K8TnkiebA6RGDWoGSUzuCJNZcrPLowYVdsXWChabmhfoJNfRJVz7SWV18

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