{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x871a9797a04c0a719c45eb1342b70bbf7a72aed0ca106dcd22c685590dbed620",
    "signature": "0x156fbdff5439d0d590e00991015f4892473a27cd793e9a8b62295731f11b5661701d109c99c89ca13d0d70c0e9665489351653de7d6b8166fa56beb2934d88401b",
    "signer": "0xE6B5777D1Cda6098756958CaF7bE04Bbfaa01F3E",
    "userId": "37158"
  }
}