{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x7e346e45dc623379504fe3f12aec1863e692eaba36c8459101ad958342b076d9",
    "signature": "0xe4430ade6d3fc9edb96f4fcc654dd22414cf1eab97e1466f62c8fbeaeba55230316bafa87ef272cb3dc5e49b3208595a9006bf8f0dd9389f719f5f513970acf41b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}