Transaction not yet indexed

556SADoz1MCvGPqJjnnU6AWht4nmSJqb3tL2yBqBvyGccbqYCRMmQ8NsnhDsMdkXHQMeACW7riGBziRLVfXNMPnJ

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