Transaction not yet indexed

MKwbyBCb8KjfYUqxeSjko6QpAj2AzxPCfYu9J9wWFEZtecrDmF2aqa3i7jaJ9dKBqmxhQcrH2ZSRT1eUFQRHta4

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