{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "785301",
    "entityType": "User",
    "nonce": "0xfdce994c4c769f164cabcf14e6783d9ee1d1f03a5d1037a7e0af51d8f886c938",
    "signature": "0xcee143a42921dca91486f1e5154e3948a05a64f7d32b8092b7a5d88cca74bb6727391f63f817345ee46d339e1eecefedbd53315a4749f1804742df62c1c633ca1c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}