{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225924157",
    "entityType": "User",
    "nonce": "0xf7b938136e47b8f041d9789b91a3afc89107018b88db37dd5544da08873f07e6",
    "signature": "0xde105b017ecdd30c931b41f61ccbddb6661be2c9f3bc9d6bc1b57f977d10499b1df8ab4e544f65704b785e15b6b46d62c00a493ed79aa26298b899d6fbaee2f81b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}