{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240013298",
    "entityType": "User",
    "nonce": "0x4f22cc63a926c3d8a8ba9e8cb2ef1bd1da5e90146e9916e55136013037d01782",
    "signature": "0xd1d8eaecd86051908dbc93294600ab0e13ed835bf772872693f0673a333358fd6cf0822c2b52dc6c28f2ccaac920451da231ccad794eb74cea4a49351352b3fb1b",
    "signer": "0x7315e02d352D97bee742C3B3D87F3277D05bA410",
    "userId": "909822926"
  }
}