{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464793",
    "entityType": "User",
    "nonce": "0x1772dd52e4c4a4fc4ee7fd6abe0f8aef73fba51490f4367594a9c56b371c940e",
    "signature": "0x38e42224e7d71a7234962fe552b89a4059a9c309771f27241391e94f647f25657a8c8735b51ead6e0054b79b010693a8cd05a9276ba49a33095e5a6496d0ea631b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}