{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297541",
    "entityType": "User",
    "nonce": "0xb09fc526dd0817da9537aa0d27016bddeead6e94a4d05fde9c910e2eca86a48d",
    "signature": "0x7860d033d817eaff0721ccfe995f59669547f23454981862acc4a74d0eb1b6ec2105ece7f112d4b619f7dd4e8959e34de7b2f2e1a818005121a04dec6946d9a71b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}