{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311829956",
    "entityType": "User",
    "nonce": "0xb64bccd886a689051188f5e7cc7318edd10d83e29ca71dd14f3b96d45389251f",
    "signature": "0xf0a5cffd01bb7f7e18978c960035c6171068b9815808c955934b1e3dbdf7aab91ae99981223bdf05c91f989c340cfe7060a5acc33af2d7dd3851150e72a499471c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}