{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0xca1a2f877a09029f07a92704c500d914748c66828e3753ca89bc88140d78d40b",
    "signature": "0xbaa47438b1e1591f2712fc35c2d63f8367055c792d6f026ca9e0ddc193f3c10b0dcc83408ed1bb86e6d3c12ce44ee33f9ca6b0fe9f6c9c0de7f938f45f37daa61b",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}