{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x81ff9580ab8b5fe44c469888fc5c6f4f22af73a5b4bcb795af44a04fa69f8eb5",
    "signature": "0xcadc000f0522e0b61502b8500595d23cabeaf7dadfcc1cd23b46a8caf8c4bdac35a0fec94ada33b823f3ecc8d72c813420b97090e9105d1b92887476ba20b49d1c",
    "signer": "0x04466826b559ff734EAe9491Bf4C1a3c2fFBA6a8",
    "userId": "272534777"
  }
}