{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0xb1d61aefa9e86807a98ca78f2f578739c6eb3602a59d392b90d3d90d8a5b930e",
    "signature": "0x118360057241cdf03f7e4471a228f9db39f693b9327e7ea9430be4a08f07692c227e5127b0bf579c842c0fef4edc2048136060827f910ea2eb1b73dff94e6ce61c",
    "signer": "0x89EA9Be0Cefd53f285d77356b4395f079931a5EC",
    "userId": "822518796"
  }
}