Transaction not yet indexed

5b21tCP7mGxzyAr8QXR8Ti6M3xud9KYinyxW2VKPJE5ip3x87MSKMg1A7i6ZuoWtvgge4MrhV16S6jk4BHBoEw2M

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