{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196852",
    "entityType": "User",
    "nonce": "0x09e98112c6c24848a939bcd0badf9705033d717c58ada765fe0c8f4a7b753843",
    "signature": "0x30361cdfcaf207e0b0c043e5786335ab118b7b42db76791c858bf6eb9fe8c15e50866fc1e18ef67e94912b8ca597f16eff17ead989c36166625c612d45a830561c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}