{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2029295",
    "entityType": "User",
    "nonce": "0x250ff066c9019c73dd0e2256b36b98f5153359d3b61a71ed6ab923a9df22b9ee",
    "signature": "0xf820ebd30f0ee8780f5c91ae9ed54782be726cfaa7278e2330e065965d79f34f0a04b82c63e106e1372dea1e45635e1a3db5a9e731ca24ea3f3765438b659a021b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}