{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146791",
    "entityType": "User",
    "nonce": "0x059d689baaf8e5c050951e06e8aca24c27edd53c8f9a6726ad356f7e5cc8dee9",
    "signature": "0x9a23020f49b0ef0c4c054244f7d0400592fb4354ac108e8339a8c3213422e98062006075514de9c554b55f85f6774159dd515d3d87aa63ac6e325bc99ff17e541c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}