{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "695582",
    "entityType": "User",
    "nonce": "0xaf4369dcf7876427d3634404715daf1190d6207099557ff6ec1599302cd805dc",
    "signature": "0xb035f4d51bfea14cc02f486534f4d3a1c104259e47f2fef8c002e84e0d8340e271a272811f5ac169d0ae59a6b64d837eb0c8ad23e6c37bf2885d8ba62eefb3d31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}