{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x02e71cb8920f10c9c05e47febc1a5dc187034768602fc8aa5df15300adf2890f",
    "signature": "0xcf0870b795b221b421dcdc449d2d5108a688007a3660452338fcc5052ad7bd24098746e546489d168d3c6b21d3ce9bbd072ac84088e1311c3000e18bf22ed7a91b",
    "signer": "0xE5c3922424A1B896ad08ED5889f36Ca5DC40660a",
    "userId": "229327490"
  }
}