Transaction not yet indexed

1255BZvcLRFGhTNvkjWP2FjkBEmzNqzUHcbs3w4fHqxMLA1ETYp9SZ9cUFSYRaVkFrZHHrfjmsV4faWDAS4L9TZC

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