{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0x3cd9a7e53056c557bad50170b5a5ea063363aeca3c6f186567a9192aa5d01fed",
    "signature": "0x2413e4cfb630000107ace015560b385ce9845416756780610b2776c566d9bd7a5d1d3334a82c1c3dfb4719ca007b64c0b3979042312b285ac243131db41d6a721b",
    "signer": "0xF29B42f036DD7B9c121b212476bBfBb4a993756D",
    "userId": "517446"
  }
}