{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10225",
    "entityType": "User",
    "nonce": "0x29b897a8b454b5fc58d567ce5881e3f089ea37625734b1d595c59c069f4d9079",
    "signature": "0xffc0403322ff0f740759bb41f737f5b8b5c638db81007f266357b081e0cc8e236082866929ddd175509b4347ba87cc7c10380e1c1f1668c2a6fc12f47fa4ba521c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}