{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1844160",
    "entityType": "User",
    "nonce": "0x199eaae387096797cd6b37e20359bd218ced50bd2624ffeacc3a50edf5bf73a6",
    "signature": "0x410370147d59788e44fc29c9b92cebcbcb476a4f4d42c85df9d3598c9a9469321ad38d6de68e94e9e65d56265291d6deab28c1c7497cf8ae4b1b79b41424c4b01c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}