{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0x35bbb3327c9c8110dc91b1dc943826a821d6b54193b6ae70b6e216876c2c0333",
    "signature": "0xf330653c38a487b23f631e69fee91b6485ff257b3b722e23accd048c884a3c41315b655ac435506f9b0882e09769cc571c60390f32c5636371c38361e40614a91c",
    "signer": "0x54cE4D8C204AF853B50f4091206A9ed1905EAb6c",
    "userId": "228972129"
  }
}