{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1c4aa75875b36e4be535ffd25d7d7d009f5baa69e0f7d2af4698ba82382d93cd",
    "signature": "0x774bbbdaaa4a891971641eefd2d1a6855e8119f4d5ac437f58a70608ca8e97a37fcbc5685e612f4613fdc530bfb8f10be1d72d15836b461ba3dfa24146231be61c",
    "signer": "0x09CD5801E4DE8958d8d5976C98AEd9219260261a",
    "userId": "172398120"
  }
}