{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "759489",
    "entityType": "User",
    "nonce": "0xac6dc92f7b337ed1d99b0bbfce7a0770827fb3ce24bb4505174fd66575df0fb5",
    "signature": "0x787e2136421f2fa1dd58c33c8928a19098909592e12b77bca86a5dd2d9f60418602c844db64e654048b04f16b030254186884650ed7e2050240bb8dc92de3f801b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}