{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50097",
    "entityType": "User",
    "nonce": "0xdeb915b9aaa0c9d09e3f04038f8d283cc6ba46a6dab96d9dea502d9b2dd0aafd",
    "signature": "0xd171ca6519ae5321a41b0436feeccc90f8c00539ac9e3425ada5ae84fdfbda8b0dfe49ef39a4ec3701b6e144ee2676a4feee2b01250a9a38d691494c7683f11c1b",
    "signer": "0x7c5233DE7A8aD918D090BD36cC8C0e6273814D60",
    "userId": "559710456"
  }
}