{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3d1a105a80980083a75ea2f0e692bc9c40840390f8a7e89eca2697501e80d819",
    "signature": "0xbeb55cca4ab38ead4a504800f858fbeed65b40865f0f09671ebc40ebffac4a4d499f0a4495bc35014bf4ac614398dc50f89fb37e83bbf72b7778285dbcaf87d01b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}