{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922124759",
    "entityType": "User",
    "nonce": "0xf9bbe14c31ab0e41cf2b651a9dadac03be029024767475a9f1745d38db9f9fea",
    "signature": "0x9077a05d03685dd3c3d6fe70a14beb922866bf8f56ba0251c928ffbbee983376608e166a1307b53bf8bd7a119b22e9c9525a6a29140adfdd6b421115d5d0e8b11b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}