{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1320709",
    "entityType": "User",
    "nonce": "0xbcf75fe5b76ae19b6a7bd107d08192a8dfa986581c0f6487a2b10f7c1587496a",
    "signature": "0xcc38886564caae41ea3760ef847e3f8b26eee5dfca0d4dc5ee73759dd43d237563c1d1c88c21c482550ba2b326b55033a5a41f4f65d1287e8df94d81f14850721b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}