Transaction not yet indexed

53Z21Ubezigjpi9TCUZMxXAtH6eGZZpmixKM58pJvmMgUPqBBqVLj5AMyQVMBgyMzPCK4f37TMbeXPHyP53bk8ui

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