{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5a41a5fb9fb06ce85208b6c95793a326e6676e53326e10840b98a03fe965e556",
    "signature": "0xa350953c45604e21c8bacca7c8c508d675f7d5e75cfcb1ca6bb4148242c3d944208b3ffb0048e39296a9bd8532d75bc1e0dbb1135d390376e5c6a5f6428fcbe61c",
    "signer": "0xdb365798bF7C5D3Dc85c8695657D4610c31b3E53",
    "userId": "832495596"
  }
}