{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386916",
    "entityType": "User",
    "nonce": "0x9ee2a9f53d92615992cc48a48b1eccb9ee2a4f7dad30277203000476c0ee6c7f",
    "signature": "0x59bb6f2cf849710ad3db822a386b228e6e6cdc0892382c18dbd75c028fccc21075991b438beb45b87e488d6153d8c585a36818f8569adcfda391d5fccaf88e0d1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}