{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7ebcf1ded3c7172d700ebecc5de566721764650754bda6967c97ca36e88989c2",
    "signature": "0x79e2a4dd59b39aa2e7dd0eca6935bf1ec453cc4c008a647775c5daebb722326e238cae5115caee97800c4d0cc27a185b485ffaf380d2de2b58f3b4a2ed4d58ba1b",
    "signer": "0xBa8F56B88d002528467a1339812b882874D45e5d",
    "userId": "546071588"
  }
}