{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124622",
    "entityType": "User",
    "nonce": "0x5c0257b1c6da1c85e0df05b364063f5002a2d3b53aa203f7c9e58886ea4c824f",
    "signature": "0xcc3690f6b8d6cbc53a78be3056276df2e94f3fb4d24c430307bdfe698f419cd57def1462061db16d5a644ae2235e5bc56156a2ccf32ef97cb07d4e1bce8c58481b",
    "signer": "0xd8414d8134902279e97471e479cC660e0b98a827",
    "userId": "33402495"
  }
}