{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138869",
    "entityType": "User",
    "nonce": "0x1d54c88d3cde0955c54d5a0cfc726fd211142637d23746c31e8604ba559356bd",
    "signature": "0x27e06441ec052c3b93e2c734dd8b5054807a2caf9f54d10cf7047afac9b69b2e3fa320d937940737579a27c6184bc22997b27b744c09a76b21e0c56d0cf78c511c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}