{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77868",
    "entityType": "User",
    "nonce": "0x0f092cd2e2ff2a97e83802b4bde6b949f9b355a22ea32edf0c6a930853710a90",
    "signature": "0xa73944f34b82731152dca26489cb64122b8d73c6efa010c8a29b1dd9b55610f924d12615856c83102aeb4990f72c7d1856234d9ab3b965811a816686b510e7041b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}