{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90957",
    "entityType": "User",
    "nonce": "0xdad767b50f1c07b73280a71dfd9e3471c5b9a702a47b9d17a37b42dc823dd3c7",
    "signature": "0xe3b39c5b8b90915f01d72b627eeb0a232e832d65dea340e19ec546d627d398de092a84debb11f6addfcf7c83ccffe70f8c953a3fba22bf65f11cc745361f0c611c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}