{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xace7f9a9f5e85e2b772e835de3540cea67ad8125bc3879c64d0eca171a0fc9cf",
    "signature": "0xe2916e3987e6b8467da0fe64f020a88399c5bf2ed4ade998586ba922989f0de93d84df1c24eda4cede53169589b052aa61dfaacdbf67d0a5ca9a0d139488dee81b",
    "signer": "0x9682258CEf37C319c38a2e35C3B3B340B71a704c",
    "userId": "10918171"
  }
}