{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1657773",
    "entityType": "User",
    "nonce": "0xd7e046340425e52a67837e96aa37e9af32722dd5304eedb42779aeaca8fbd208",
    "signature": "0xe206d104af46e3d91ddc3c71448b0f344173e1627d926cb7e1f20dc3e413d8e9691484c87da777a2d1448631c307ae242ffb4ab377bc3518d77ea1c3354812681c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}