{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x5d3b1900d08360a4ceb24dd625b0dd56e3c9f833da7c69f05e58a9c0b68c6c1c",
    "signature": "0xdf3f2e03311d0ea63616cdfac428c3e67cb909c9dd5e8bf4a7df72dbfede28e92a0fab44d78fbdca4a7d63ecd8971195a834105d1ccc3a64b9c961e841b2dbcf1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}