{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "844825045",
    "entityType": "User",
    "nonce": "0x97e390d3b5e6a8c2da4d6f2dda683381bd24cb32c61ea947f4b9767998c4c9c7",
    "signature": "0x8d9d22f5103df923d84348cbaba60de2ee46427a4b58473a6ff64b923d39c7271d375d4e79ae3e4db7d77bf2cd250d31c9a10b07e40c7c04bac3f595ac3ff63d1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}