Transaction not yet indexed

52u6hMff7V1RQwwzerGqgNvTEMDdEEtcKjx7TXPCZ1XwxobpqqkXXU4UpdAD35qWH16S5UpYRLvtzdFDPXJbrHT3

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