Transaction not yet indexed

53Sai3bHkqgjH91gNq76RGRxmYggrn5mh5PvG9vnqDS2wiCYfPyyjSfxrs1HrNyVAxdBRVB9ZCRbXN5HZS45qo8M

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