{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0x06c8069cdf48b1424fff6c8dbbcdda9eea88cdd0fd366a4db1910c05d6e90f06",
    "signature": "0x69f84ef3e3e605db910b1e5df41f115d57e711c15745e00422908acb9bc6804875259b7a4138d4a08f4dbab984ce3820d7cb87a102d1299c331466b137bba4a21c",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}