{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa4ee1923212dfe5323a60deface1a8f46525f76f176d13157f0b0df88580a3cf",
    "signature": "0xf9c099326b4e40b3fdce1d56da48367b418527fc76eb782c621c138504fec1b3450565266daf1bb7aed61ab4b5dca33501d3d6380364d7cfcbc8c7bd24274c541b",
    "signer": "0x06B5AaCDC608a6eb851197ec545493a7F4A54815",
    "userId": "349545944"
  }
}