{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144334",
    "entityType": "User",
    "nonce": "0xb657469cdb624dcf79ecdcd63b216cb3d5f84ce8ed09e697a662512f84418bae",
    "signature": "0x1c527f5bc73a6890ab2cd2ed6d6156433b9ad3d8317da83a3af1bfa8a6f8aef24243246c7d9ec46c9a5c312f9065d8fa77770c61234296a7d7f96993e42fd5d31b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}