{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363366",
    "entityType": "User",
    "nonce": "0xded6580b8ee8a0bd4d9a1cd96d28f557e486ac8f2202d8adb397316f73ad29e3",
    "signature": "0x3120b672a55bee3affbb2b3d07bbdff755d9c9afa400bacd1ecf9a3853a79e91136255df9cc3de998762ad56f5cf742488d2e7dfc08f60c5e07d1cd9c69f5a8b1b",
    "signer": "0x16adDC5a502eaE2B8AB91bA4ADdADAce74Ad1418",
    "userId": "902283916"
  }
}