{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111131",
    "entityType": "User",
    "nonce": "0x19998173d2ac68a1aa94ca9e32baccc726dc5929c7a634847ad7cbe1089fbca6",
    "signature": "0x78522ec0b6d9eed90a188011696bb4bdc23afa923d6897654eac1720d56312a01b38163af07ad2603f1b5cf7e30bb6fc38d00d22cb00eeb8e998321500e056d71b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}