{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922925769",
    "entityType": "User",
    "nonce": "0xbbb915c89e3b9f6bc0d8ab999db5570eafac6d89d785f48d6a8d764ae59b8c39",
    "signature": "0x7dd92ed07789fd573a92a7e26ff5006a4bdfbb4f794f6d71cff52d5eeb65143d28bf36e12b005f147f08b5d19c41f92d9dbd7aa40f0911632e556a55f3a950ec1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}