{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0xd64d4e003ceb010fff055ba1522b6d9a32593be7e0cb32ad8cedbebf0449ed16",
    "signature": "0xf218e275682ba9626920ad4f585163034fc2d75c38178454c202cdd987311ca165d3d33599b9af429959cd5fb7f9cccf2eb7b492e7a463222b911a1bd29144e81c",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}