{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0x8a23612d4b23598682fd03098069ae7cf1fa00ae702d576b7a24abae9a6fea04",
    "signature": "0xc5a09b072d74744d3bf265bcef51d781062c8fd3093332d50157f17ac496ecd14600736a4b538f8c19f56562547a313b648bff00b64534da590d66f22d170a7d1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}