{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917339310",
    "entityType": "User",
    "nonce": "0x7bc9a81f534129683f9d4d96475c1556ed056cb51a3f0bf218ad3059978ba070",
    "signature": "0x4ef20a8d88af8ccd0eac7f17597a78d482a52c991368afd6ff740da8967daf995c0c6e63bf46d5041a73a625e8d4fab1ce029a3aa3c5e317b103ce42b460cfd61b",
    "signer": "0xe53b7523A8cb357D91c0DDF6C1FC39fe6b6D22a4",
    "userId": "76259"
  }
}