{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "231243",
    "entityType": "User",
    "nonce": "0x3ba174f70cd340a83a6601125f7e6a77bbf1384efdc1ecad2d6f9065917841d0",
    "signature": "0x9cd0acc990232da1a842b5276095ab87c7695d6d23b7a769ec3b37df7ccb3da0684aace3c21e68ee6ee1729747ded902f57cb532f3acbfdf9a45e4b2f1f12b781c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}