{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1475185",
    "entityType": "User",
    "nonce": "0x6d10afce8a352c9b06062fef009058e97b6f771a72df8b2cd031e5c794d63a75",
    "signature": "0x65657c9b9c49716399dbbe68639081ea1391f4ddb42213fc7598ee6eb3ef6eca40986f253928347ffa15ba25134f04876fd0726acc0a83802beede2e558ed33d1c",
    "signer": "0xf4932982eB30F083aAeE8850Fe5d411b7A5Df5a5",
    "userId": "746635137"
  }
}