{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "857798069",
    "entityType": "User",
    "nonce": "0xa5cd77ed47bce9e2905b5e2bb4a977c14aa836cf04c65e96d4e92dbd3bb0e71f",
    "signature": "0xe23e3ed42d9dbbc3765e4329a68fa193cf37e3989f6aea42e414cc0e338df5594b1622b793ecb2720aa39f29cb9155c1cfbacc28eb167af70ae87bf473c361001c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}