{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954228",
    "entityType": "User",
    "nonce": "0xd9be556f8719e4acb32298725bd508d7cbda6a19726d8d24bd67783212c4a0cc",
    "signature": "0xa57b6f5f350c04e81b91120fbf42746d7e7c9acf45bab9221972ad2b7abd5f613dc6cbd6eaf8e14ffbfe2acc012fb443753b2d16b3ee36b1f31115cee78e69f81c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}