{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808781990",
    "entityType": "User",
    "nonce": "0x990e432f73b0d9dcb31714d3f418c8b1810d1c4ef85fcd324c7ea503f0f19d73",
    "signature": "0xe4c85bde045e8487af68484fd023f9c253986725ebf2d893392e09ebd8a4671d6dc898a6654ee509bb6534a557b5f53faf33d3feb64fa2ce82eb209e6ac044871c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}