{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127776",
    "entityType": "User",
    "nonce": "0x60a348c2b172c9868737ad14a781b0bed384ff3e480242f6f3d4b3e58016fd48",
    "signature": "0x283e332eb7a4b86fb87ff8c08ab12d9e22964cf11a32686dea207e2954ff4cf11734e6ae617f85450366330379b913006419226c22f2349cbb6150835b78d4fc1c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}