{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152450",
    "entityType": "User",
    "nonce": "0x0a4397efd52bdc4b5fe5a65a94382d19deee249838df0985426eecd7f62d9ea4",
    "signature": "0xc86367d8d5ffe052c1319bc7511ad24f9a2d9c8724f517de81dceaf72bc6371b213eda80ecf667dbebf48b7e792c9c5eb8b3e3e1b61ee03ab38d7a9cb41483eb1b",
    "signer": "0x3872417aC9CCdc743F396f6d7A6872e91dB934d1",
    "userId": "701379462"
  }
}