{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54277",
    "entityType": "User",
    "nonce": "0x079ec3dd1edfe40fd469dc5f57c16fe279ac31556fe1547b99ae653ff47f61f1",
    "signature": "0xb1af3dc34a34c6999dd642fb9c8373e73f4c612faf94a8e9cfbc573355ea4e8b6fedbb69ba975f4deebbf8f6ae2f3511e95d783fd17a12b793ebdaccb2fca3dc1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}