{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0x7f00df3774f3c8c564ac9f38588fd4b569e77bc3587902d3ed947870b0f2cbc9",
    "signature": "0xe33b6c972a0d5606fa3ea6ea98aea050805c729478dc208a10673a9531f5d05107e5eeec299b5c49bc74c8addd7685235c7579a99850a5e9f47bad4ae39bf6a21c",
    "signer": "0xFA2BcB8D14637859aa98a87cbe91187525bbB963",
    "userId": "965833467"
  }
}