{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167962",
    "entityType": "User",
    "nonce": "0x9dc82f093f7bd122ea7826ae1ce7881fdd11c66d5ea0440ab9d9c0045ad90483",
    "signature": "0x657996554bbf7850b496bb313bb78d5ffe91a74b03331267a2e8ae62a91df5d63d08bf7991fb20fb0538b705312085e347c48597c1348ed850438c62e78a43cd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}