{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94219",
    "entityType": "User",
    "nonce": "0x9c02b315e5b640170944352803bc530e046fa27bd55aac631da1328bc69043d9",
    "signature": "0x1d6c4a429cebf40a1cf83a1ea71d1ab5e1d4ef10556980498a081edb9f968855137d9e3a57e74aaf5af1a676ef45d7b66d80285d269d89b8b231483efb59ad811b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}