{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957873025",
    "entityType": "User",
    "nonce": "0xcb3c9f72811d619783805119527ed4194e8a66a5851434964155af99e54d237b",
    "signature": "0x64299cf0efa8717c0d3f51c9f392b176303109dca9359fbfdce67025e2c6efb0620498ed9e9fb807876ef26220fa6ea54affedc38ce6ccec5db81b76d30a79921c",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}