{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x308a9c78b9b22bd2ba7d531270e0a5e5ff5bcb1524dd3124461f85e167921c90",
    "signature": "0x56ef793663f238a899217dd70ab713742b661e56c40b352e0d7aabc4e5dbb7d951602a2e66b4ada3cfc2d5c6b3ab6274792a81c505a3e7e62b23a3c387beef391c",
    "signer": "0xEA3c43630FAf8cBd94c426a299efC9E5AF591b9e",
    "userId": "733151707"
  }
}