{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x09aeefb35b21dc5f5b855cbc212546162a7631274321d28a6179b525f012a566",
    "signature": "0x978074d54a30d6457a8e5ee518e12882fa0343d63b49845584480d49573556ff22b3be62dac9eb8e912ed5d2edfc7e6850d0003ac88642841e33351d72b84ea81b",
    "signer": "0xBCb96c4190ece89b9b603DD72a53771e861A2A9d",
    "userId": "960205221"
  }
}