{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x07eb766c597900d93282f97eb0706a0287043f3225f7d4fa57bfd8b6b3c2535a",
    "signature": "0x5837c46fa47ba34e8ccf5877f5a24cd6e6c50513d01238dd787c8535babe674f5406504e741013efbe7ffa91ac9c3c5790d175a8d30755d48d58ecdfb2e94dac1c",
    "signer": "0x7ceA71B4A8C4013A4f57c1A57eC0430915572e86",
    "userId": "31724295"
  }
}