{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "242339",
    "entityType": "User",
    "nonce": "0x8e1cb381072932a3deb452fdb981f08a0b412f8eef65dda1b211d45fc63f1277",
    "signature": "0x848f8b059f18a2ef0258e3728aaafa2836a70765c0fbc24bee152f782d1aea8407ca73b89aebc0aacc8c289245added8302d574a0c51dfa52c018c3c4804a8e11c",
    "signer": "0x8e843e061C77d2F2C655e7a2c77c231b0A89eBA1",
    "userId": "10318501"
  }
}