{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0x6060434f7c288ee506221c97386bb63444b1f122359d99070a9ed56b025382aa",
    "signature": "0x30800a3404e18db39907329d58571e0a4fdcbf4e1b44a84a6387ba8a9984fcdc4e928721be3702c71d1ec027aecd35f0b4ed879ebc5f532b6de91097750b05c81c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}