{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48250",
    "entityType": "User",
    "nonce": "0x61deff8ae38936e6e39badc36dafab1e9bbc4ada8fd8728c388b0c5c5d25def9",
    "signature": "0xbe104fec66ba2f998fad42f4509c14a13f22f572723eda9ec69f0038d95f8cf83b8e6109b6bd8461d9fe339731745bb3159a3f70f1c44da9464175530e4217f51c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}