{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x9cceca8c2666162d44e8c8a3bb535f3de50fbed4aa7c3489a716d208d82e5f9b",
    "signature": "0x2dd2eb6fda2dc335ca38c87d5537f3cdff36283fd6e19af9c68e4177857fc9b00845182bde00d566be74bedfe55504e4b8d1f1ce852980f9714685de76d1ec461b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}