{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xc1caee01466b3d288fbe955deefd9920d0cedfa096766966724575c13f72845a",
    "signature": "0xc50ffe460edfc58833c4c2e7117aee85542d911d82f59e019d017ef2400dc3c76c985d9d430c2ea5221c3edc06fcdfacec2689bf274d82ac715fa9e54d43e1231c",
    "signer": "0xb001DCb64Bf57b3EcC76C4Fe5AbfE2a8B084D6ba",
    "userId": "641557420"
  }
}