{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126989",
    "entityType": "User",
    "nonce": "0x6d1c56273dce7d8bc371e4bd1be9ab10559ac21799781f3b1b2d5ceb0cc7aca9",
    "signature": "0x4be058cba03f651ac9faaaab65113f0dc2fd8ab94cc723a7919791d63dc86c1d50c43cb4e828bbbc114c488b62cbe55347a6fe1fad7d6b3240db1181474579271b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}