{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57724",
    "entityType": "User",
    "nonce": "0x60adf3b13b65307e135f913988bf48c156570424404d2ba015defdb33ba0a81d",
    "signature": "0x484ac4d6ded865e356590311925c7c034961727a475aea79923502be620f62da3760f457cc79a36ff5962eee04404084e0686fafa79817725f13bbee8afd31161b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}