{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74203",
    "entityType": "User",
    "nonce": "0x3c24c5cdf2e23d937852a63b76abcd516151e974c00e760bdc572054e43fc844",
    "signature": "0x2c7e195302d16470cf1cbcf578bd2a3567b7866ff58c3eecb9ae64944644c3c00cc75ec4cde7d477458734ac310bcf9e22c44f7538fa127e248c67ca99f06d281b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}