Transaction not yet indexed

553vkVsNwDAFjUWyEUkHsSMS4AT3tR8akdBS4fP8eaJPUzm3LEKP3SFQ41gpU4XAKrkb15hpVJjeuFKFyVm6evm8

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