{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xca86a9d6f7210157e6dea2327153f1c0151ea7505c53476b5a6ec5c49209941b",
    "signature": "0xf1cac8b7f082dcece0ba28e17affeaad0eadca700d6080f378658c0a3075b01035b04e60f110ef3e0a13120e413e78ab5824e964b58c6e9c0f894011d3456ac21c",
    "signer": "0x11c4f0BDdAd5b62aEdFfEB66A078bae4E93E396C",
    "userId": "824921192"
  }
}