{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x330c424a06bba8fce6db05dda7447c38ae2ba8eecbdc97650bec7d6a5a8593b6",
    "signature": "0x0203c0c602b21d311889ca839487eac959c8eba3f45deedf829373afce6f94e51a92cce68d8aee3d63eedb80ce4e897379fe20af2983e29165a8fd4230ac14c81b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}