{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x93e2b65aa3077aebf791efdae35bd85826f2ce401dd17dc8804df796e71c9da9",
    "signature": "0xcc951b764312c47b9ab4e3809d039b407d419803ed7a4a48680768172af06fd9262f49d6e5209e21561a46b3ab9ec3b0d652a26145bfe2d7b26db09337ae1fd01b",
    "signer": "0xc6ED8841CAa23191AB374bd7d546F29746aA36B9",
    "userId": "441723301"
  }
}