{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "93448",
    "entityType": "User",
    "nonce": "0xff24958d5cfdb4692d89857ddae5186abd5041ee7dfde84357ef6044637e6237",
    "signature": "0xe8619497e08135bcc24bd9ac024940ad74d7096bb5807521875671060a7b9c3e05234b38fa2cef0de120d2c7747c278f096a5ce74ac5be6aff5d7e8cbb31ae7c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}