{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x60a11806b47c489c87ee67147465126abfa853415ccb751d3d9efcc7f1bb652a",
    "signature": "0x14493564e415be9e777ef5979122d0f1bcaaf6c7961e58f391e6019842d4839a4ed92b81cce7ce19007c434e7fd6d8df9aa1206b2224be2c7565ce0837def9361c",
    "signer": "0x2299cfF9e9150Ef6a02d8B5d801911D1777aFAEA",
    "userId": "511112737"
  }
}