{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117522",
    "entityType": "User",
    "nonce": "0x1f3aea391eb2c204895eaa4fd103404e5116a170d7088cae306759d55bfbe05d",
    "signature": "0xc04107b8757aa33e2d2aaaa3bdc53cddf4cd52ebf54e3dbfd19285e4a8c2fccc5a565e9dbc43ec103d0e7e5d31f1c253040902995d419010c8cfd529fc4a596f1b",
    "signer": "0x16D3bf5a80bAfFB2f1550d49b1203D4CA532DA1C",
    "userId": "1994482"
  }
}