{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "410756960",
    "entityType": "User",
    "nonce": "0x25e28f0d8dd30a5ad9060cd71488f7b6e2859511f55f1f52c8d1c565a9054c92",
    "signature": "0x107c92e86a1a1c68c95bc5f334f66582b5979c176c721c29e18b08723b167c6964886fde910e40aecb084850e1ca3c0560b344514e2eaf3ccf20751da4e157491c",
    "signer": "0x044142FBd4AF7201d53A9BD1d822768a436d6314",
    "userId": "683311144"
  }
}