{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x36002bbb4acf3fd91e6f77329c95dce4cae495c623d5bd68de825c6e86856e7e",
    "signature": "0xf5dd06a86d6775410a6e32122d10564be5aeea4efc465d4052e78c29fcc980e433bf4ec26d309982ea0e3794dac1f7b10ee649cd7c15b59992f900e4721c10291c",
    "signer": "0xdA4565Aff71E89bd0dD0a76470E7c3B53bDf979d",
    "userId": "450772943"
  }
}