{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7296a52b29d826a3ab0654ab823e0568671ef86e69b2dbb25f2024573b2f5321",
    "signature": "0x39ff1b83f964db26ebaff949cdedec0f9fd4363514a51069b4732f1503d25b4d3e8fd2ac8e14db4ab15c098162d84ef01bb348fbb05425b86a157e8cd5ce5fa71c",
    "signer": "0x27F3C5c949E94015081295B3Aa297DB58D3f0b78",
    "userId": "831576253"
  }
}