{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb27f336227c2c9e917a2c2b966f636c94d531aedb0c06bcfde17375591372908",
    "signature": "0xd59429176d42073ccd5ef5942829baf403b00fb4bf893e81ae21b7cb59de049d488c719941e881a56780869f6255d660107784a77b9bf4018f85f6c19aa658511b",
    "signer": "0x89bD5BB142c0abEadd41095cAd1eE78919474744",
    "userId": "111260257"
  }
}