{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "470304",
    "entityType": "User",
    "nonce": "0x6d3999213998cf1f62f0f3a0db963b4c3315cf34082d1b34679dce1c24f767c5",
    "signature": "0x7eb2ab505e814f2a87416e7c3b979b53ce6130ba313861f72e943b1d4fa3dbfa65d74cd81a0e640ac195ca55fabbffc4d14208a146dc1c8e59a07db0685e9ee21b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}