{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x58ae1e64a4fdfbda4e7d8661e42b0750838e3487429143c0ccf9cc458437ee6a",
    "signature": "0xd9f17101f64d69482b0209baa7eb6eb37cbac15c747f6c06875843c6ffd15758448cf63f6a93555494d0a23144721ce5215cb8adee4c3d673a83d60b0110f8d21c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}