Transaction not yet indexed

55siSGS87DaJbHjBjAzHEgnrKbnGg7yXhuY4oHPqhQfNSh4hKyc7W9fak5JjyGVrqcvoUC8Denx5fJt2am3LtXuU

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