Transaction not yet indexed

53LBTdP66eN8KMB5VCb5mpyu4wsMR5cCkqaKxCEQDfzM4DmgcCPwfWzKswnCKG9mqstb4NGbEy1gobfJdxBvHnq2

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