{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335196",
    "entityType": "User",
    "nonce": "0x60f564c03e9bf2c11e6564ad580683fbbde05719a23e5a1ada283b1173065161",
    "signature": "0xa8d6a8050d6364c067d1bcca39f68ed5add4adc272d160ab935ba037f6987e1b2ebfa0ddff55a37a296045f804234e6079db483e4bb0e608a1ad57dd9cda83351b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}