{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "686187847",
    "entityType": "User",
    "nonce": "0xe3b1236d4a1433e7b00923ee409a48d04312c33d4565f07a53703a1fd90786c5",
    "signature": "0xa5ed3ba0674107aa39cda7c575162d5721a84d4a0f1b867cb03f355cbbe938dd3ac88fb025536f71e0e8c8d57c3db3faf00632be75a474b5ed16f70918466ee91c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}