{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832445087",
    "entityType": "User",
    "nonce": "0x9fe61d0183b68ac67057a221506861197affc67cb363440e931b1698916ddf99",
    "signature": "0x157c6bee36514d1075037a039802efad2e2d509abce11e220bf852432b0fb06a1ca20fc6bce462002ccb17532132fecafedd7bb12a38a3b688be98aed911d6d61b",
    "signer": "0x3D8B2928f8C6d3a1605187DacEb37824a527A1cB",
    "userId": "394450"
  }
}