{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373169",
    "entityType": "User",
    "nonce": "0xd11bbf397a39264383c609d7f1a808caba67d7f18f175a53277d07625d36816f",
    "signature": "0x6b49b779b093e094a2203befeb9454254a2f13e402faf36d1e27c73a8cecab122faaa0c04cfe32cf9357ef171d73e54825a25bff51bf3c9a79b225809fb6a9201b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}