{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0xa492fc4cccffd35fa0939528c5c4c6fbd00e08c795b17f776863b7262a323e0b",
    "signature": "0x029c43b6d4687f7c407d64cfbc5b1c50726d70f3c21d52c4b9aca2c30d90bed324cdf69f104141eaac50542c684752018f5328adc41785951c8bab63866f85641b",
    "signer": "0xF300c20BDBB459E009c4E55c08CFd33E12f8B0Cb",
    "userId": "782218508"
  }
}