{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2",
    "entityType": "User",
    "nonce": "0x0afaf71f51097b7c561f0100f4519429f0b8c537246b7474da7f6bf4a171efba",
    "signature": "0x18bf5c110c77fdc0265d4caf6129825d02e6d66e03be548b2b1b64109c31ce1914c02c61cad8d6f3a9449fed431db5fccfe94bc8ca19db631657a010b312588b1c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}