Transaction not yet indexed

AMc8afwDKuwXEf6rAzoCaZpnXQBK6F2wPYBgn5e7vmC78wLGtuD3MPkdtzGPmXEMsTjD9YvNtQn5dBhyZuk6fSA

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