{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64159186",
    "entityType": "User",
    "nonce": "0xa1b0dc91c17c4adb72ff8585b760c2295a5da09bfaecb99dead4c27473c93f10",
    "signature": "0x33ea6efed6c8915c1a7c9f43a5777d988665409b70797d23308680869280d6306787bb9a5dd1f7f438df9923af61d2c422a17b6f2ced75182c097f496fe7557a1b",
    "signer": "0x9db5A0F6677d5b3dd26Fa3BE1110e1344e412848",
    "userId": "271106822"
  }
}