{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112428",
    "entityType": "User",
    "nonce": "0x9068b17538406d66933874617f9537a39390fcc1b881a5457d84fb05dc9564fe",
    "signature": "0x3691c0847676b57e600964205161a760b6ea780b2d3dd964f9ce7e330e4d342a34a720373f77b5cc33e1ab8bb5d8567508c432807f2cb1091f0f8e7cbfee6f4b1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}