{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302620",
    "entityType": "User",
    "nonce": "0x32fe4bc4e58432f4d01366f578d53e3359ecfa08c01b642793eeda890ceb6ad2",
    "signature": "0xe4759ee33f1f47950755d8bed5e494771ede18579c999f069c436008783dd2bb25d7d7e2f05ad658b3e3b53cdcd501fb07e814fabe5dd48f62c36fa0f515eded1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}