{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdc0f8dec6824efe09ac8f1c75642ed8a96133719dd30d8256111f058a33baf25",
    "signature": "0x011af5f36afeb3518d26443442bceb0a15fa4a738a6a2eb0dca2f94c5917ca4d0c7d0d8340229d55d0fd376e3dc4bf191db20bb7a39e4abe4b3a712dd97509eb1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}