{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98776",
    "entityType": "User",
    "nonce": "0x30d5ba7d99f403bbcf2e4c2433c7bdeb43063e34973259c3eaf3168df93bf4a3",
    "signature": "0x1e7989e0acf4b509166ea93d18d3fe8e5d47f867cbe7e25df9ffbf9084e02a441d77559fa6214650b601661cad59a86b2adfab1900615c249cd36b3882acaccf1c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}