{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4314",
    "entityType": "User",
    "nonce": "0x85c931917860322fc9696c0a50a65fd9a5b021c1a67fbc7cd4a908109f571161",
    "signature": "0x895d2b56e60300899df26db08530bc717aab92aba01e448d3863454e45ff26af10eaae3c0afab808bbecd650de61ad189133fe5e89effafce30255d4fee53f7d1b",
    "signer": "0xF4D35113bf653395d3a48c106C53522928Ffbd1d",
    "userId": "159182864"
  }
}