{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x790e480c63d9ba67e4c2b7b5bbd77ba4d56456a81780b8fdd08901812887f9a0",
    "signature": "0x7113665b0ee1e97f6e47843f97b0bd7f646d47b5f6b1b1992fc94dc4bcb0baee5c0ce59a4391ae245a7b76a7b423ba7cf86612abaa7bbe260c7f196e2c6d59b51c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}