{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44185",
    "entityType": "User",
    "nonce": "0x8c838b53e4b6eca80a50ba6873e30457c9dd18b18241eca7563f32a499bef25b",
    "signature": "0xa6ebe6c41962cd0e88878be19bf2dd46d9d2a97916d913a15148f5539cd410e7243f8d39accf0e298cc70718e9a0b6ce7c4506e77b85ad18ad1627d4d017f5e11c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}