Transaction not yet indexed

55mpu2dmkDu9bdRd4KBmXKukF3vgynXQTeEi2UwB7BFfQQ4Zd4u2mJnFZpQKys3bgGWRu37CTdxtYMMKN3fW9VFV

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