{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1693415",
    "entityType": "User",
    "nonce": "0x8079046d8f9925bc1caf04f64691e074142cc91b5f42b59d4368da5749326c5e",
    "signature": "0x2293a0d6204a88ab2836ad6830959a0635a920004dada515762ca1ada5af9f2601e85fc2ccc8d5de629e199fe495eb18581a77e00614fa45be84ef94fbf48d621b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}