{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347808",
    "entityType": "User",
    "nonce": "0x4636697e8319404d68f3fe85d395866dbc7dc54ba6bcdac2a27f001438a95362",
    "signature": "0xf2e0073431cdd63786e7ff01df91b4f166224a26f29b387fd69d4eace42b9d691b992e17bd364a85042f6347b0885ea39049d72aa67ac04d08ddd2068b0c777a1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}