{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1435937",
    "entityType": "User",
    "nonce": "0x1e772005e8e7d6aaf734f9f94241e74dccfd8ec7e57e980d453eb3b94660b14a",
    "signature": "0x5c354d3d341984606310c15b3844a11395c2e3bbf6b13853bda7bb8c5f19e6ad394dcee47dc6de93d9189471934b40a6dfa769a1ba69a585537047d906b0ef891b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}