{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x127b9a5ff739a867e538080a9723ef90c8ceda10b1ee17ad274b15c49cc3f5c6",
    "signature": "0xa0639413dcf559e7188197b5bd447edb903e21a3ac3124206de40a9ba965165419c6670c50567ed0ee8cd91116954248057dd8370a7d862d8db8d4182cb0a55a1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}