{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381991",
    "entityType": "User",
    "nonce": "0xb19045295b5885048702af6373f0f9404ea588a8e57dcfde2db55bc1bf9f3df0",
    "signature": "0x8ee3f8a1ed955fc9c3a9a1db2aaba7e5e33026d5e3d7e07cb9f5c6398d3072ce136561fce7fd76439d63d9e60cfd48eea96d64abf93524db483290eff88fc9ee1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}