{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54432",
    "entityType": "User",
    "nonce": "0xba6616fa26f3886f066887accc3bb120c97109612f592fc7556a479b080e4f7c",
    "signature": "0x1ddafdecde520adc354c91fc6d3c4b2d0bb1eb85e8b129e49397fbf60c8120945c9d70a4ba727e056efc62027112eb71b10204f5b59e12a1c91fd0f4155cea281b",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}