{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x86653f4ee75dc08eb26ea52cda5552692642a2e500070e71697264c185f920a4",
    "signature": "0x48b8065eb58960515a45455b0aad3c664960ec915d8d6e2b0e1d3d92fe3d5a543284ac5edd54d4842e6f4295333b3ceaaede38b22ffd698cd2255961012dab1a1b",
    "signer": "0x4B2EFbb6F40CFD64f7e379D9169649dc42ebC305",
    "userId": "113992135"
  }
}