{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9245",
    "entityType": "User",
    "nonce": "0x8f8adc82facc1b457c346560b9b454729741c40a2d7eb1a98ec2e3fa23f48e5b",
    "signature": "0x63df1e75b27e504865bb2fb6c40dcca83edb8be2b83499c95e0656064826bf5c2d81925ac5b1c3c7115641b48ae663da42edabd9dcbf5856758923c0f5df54281b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}