Transaction not yet indexed

28CB2SwF2FyNPWro6vrGCFBH5KESog5pCkamrYs7Fyb5EXZw4feMjZkYqdDTdN3ySXpcMaUQaVKZNSqr3Kg5mSRT

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