{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "938150820",
    "entityType": "User",
    "nonce": "0xb57c186d28d40e752c4e37bef2f2391dac6ddda6921cb915b38b0b7c97d1e1b8",
    "signature": "0x8815f4bdb7e215ce1296b65e6bdc98f71be160205ef9cbc12465bf142010ac2a6061d0e52b0d5fc2ebe7542be680fa5ba526cdce60d6475ef76baef94e959e661c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}