{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "199573",
    "entityType": "User",
    "nonce": "0x26d79ed653369bb3b88c7f51fa0c1b97747be7d220c0ca0b72f3a44775171f98",
    "signature": "0xe86fc3da8de13b4b75fbe69f7966c0a5d6a910546e48377757a623738b908f351206f524320daead8513fbca158b8c9797a4adf75418746419bf1ca66b8724431c",
    "signer": "0x68ee0736D725277C93d4197500Eddd8e9f06dAE1",
    "userId": "216091592"
  }
}