{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6848ae80c5fccd88e5f62e1f4a229bdb0b4564ebb0ddff596a027da499d9c96a",
    "signature": "0xcdc0f23c8115a623c05835a43a6368ad9c356946331149187a225b9d3a40a80049070dad77a23ad97feef5d6961f57afabcc6d7f16ebbdafbd95395a504b75be1b",
    "signer": "0x2FA070D10e83d458F44154542B573710164e5c3b",
    "userId": "916314868"
  }
}