{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5233",
    "entityType": "User",
    "nonce": "0x44469484aefcee43c0900307f9cec053ad2ad9e015c76148e7e1d8069b504a21",
    "signature": "0x35f4590649b293368ca59369b3b37173c119837b946cb51d8e0c30b67b128e781d34a2030c6657a977fa45058709304b235bebc83d60f6f563b6fb1e5506e8dc1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}