{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "258202002",
    "entityType": "User",
    "nonce": "0x395ae6670be0d1d80f6b4850ea10e0b6d969d9766c45243e98dabdc7f48067ad",
    "signature": "0x3cecdbc93fa99d82464d20fb2febe1ee121b032abb8dbca8e8b2a38941d814e3296d53a7d473da443fdeacb87364b78f61b36fe37359a7137b0c61557b2f835c1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}