{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164147",
    "entityType": "User",
    "nonce": "0x666c26516205258819e73d512882405cb1b09e717e57ae32891d2e6762467420",
    "signature": "0x86cfbe9c91ba1405b473a7257c63b28b01921f5980c35af6fe850a72df440724162003f9b8d02b015b094d9808c195d2866245ef5684f6f3ff36ec9c4050f52c1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}