Transaction not yet indexed

Y55UcFFjWnuhCXndvHVT7fbh9JGveb9BDcqKBNqUefd9dRH7mLKzuYJtB8WU14KMHU5EeHMuqTC2nPP4XMrpu4Y

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