{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218982",
    "entityType": "User",
    "nonce": "0x435220e7ac0469acc144a0610707c159caee5484a23c3429f4887542f5e03a2d",
    "signature": "0x894ffc70b6b8aa9a1a250f73457b93eeba53cd8fcdf15003027df5f51c27c3d00f32d136471992a3c5fc283c3e26e8dc5cc5fe8dcfbe0677b3fc8b5d4edbd8a81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}