{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436858",
    "entityType": "User",
    "nonce": "0xfd67bd44324fd43d629d7a89faab3dbc4058e8a18c9bcc0c85dba53b5a8a427b",
    "signature": "0xa59c9f748f1232916d57f479e896868d904697219b2fb3ef5573b3834ec333ab1d39566866fc2067d67b0ed47e1edb1a6b8ac83a87bdf1ef567e0b65551e2ce71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}