{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "368557",
    "entityType": "User",
    "nonce": "0x020083b0d9feb423fd9021e1d32ae056c4317529d3ff1212ed549b51ba094495",
    "signature": "0x842d78a53e1b173be01c34536a7591d48b83dfe50da5b6022ba789f9b458b8472c0ab9e4d381dd0200523b242194f1777da5a22e909b65be721b204ae81336dd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}