Transaction not yet indexed

MMpCG518eoCnXm1MUKC6sxD2rM2SRkxExeRELJQi6GKfbfxyGymxBo1EG5jF5sSgusKe6mYBycuU2SoufxDkXse

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