{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xdb47139e53712fd6903009d7d6c8d574348f2192cbb7bfd56da645ea29a68a8c",
    "signature": "0x9bdccffff0f5b10b94eac8043557106eda3e06c7accc39557e5353bd9b32c56c4af06541c90406f5e933faba48eb6631f185fc47c2075f3c260e3b0ec06e0ff21c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}