Transaction not yet indexed

53Em5KFUKWn7CSAPA3Kt2GpqKRZuwNkAWXkCtxN64pH7dfB5Fn9rj9wWGwftJ6F4UM6cqmm4W2mopriMy31XBHps

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