{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "840316069",
    "entityType": "User",
    "nonce": "0xb20da2bc949e1a8c985dcada83f362d89a6224dedf54d5072820097a4bce4d32",
    "signature": "0x08e5e12d2df3e19caee47576da224e46c332105c1cebcb799a67c76efad23ac5716e2affd978187c7b2c8d9797a21e6d9dc13b12de0c35ce95cf10b50bd270c61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}