{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135286",
    "entityType": "User",
    "nonce": "0x204fe14619706faf76b6b3dcac46fedbe01185e758992994316f5574420c6c17",
    "signature": "0x9afca28a958c75c24f1b019312ada79199f950690157bd20cd6f960cd04eb81c3bce0ab1d02840f882a86a9f324e76b6b0fca6aa177328312fe6052848e1f8361c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}