{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201563",
    "entityType": "User",
    "nonce": "0x098ccc707b81114d0b60d476bf912bf9bd3e6ffa2585bda5c4c7a3518c72f99e",
    "signature": "0xaefa18930947c99e8397cf21513d5ef2075e00ba7ed909259ff4ca22cbbf9b543f36742e7d49bfc39c1ba4c9ee2bfc9a14878d1a08063c06e2c877872ffa7cee1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}