{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12462",
    "entityType": "User",
    "nonce": "0x804d4075905a2e53b384a8f9b149048f7b199abe54ff1dcb5d2bdf4ee0fe72ef",
    "signature": "0xbdc958d79351d51a38e1cb638025d8b0dfe7f2bc68ccc109e2c508c9e6f2f137707cc8e94f10c764c92fff0f1a46f0a9e0a25488aa0c5cfcc46ae436ab9d2f9d1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}