{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xa69ceffa4d1e6ca33fe5e001790abab7e2d459b866ab1d9c90c1ccaa0840a9d5",
    "signature": "0x8a1d8b37b574d54faa0af237b73a8a326ad58437d57b1b4a484ae8a7bddeee816a7c663e6edd2575b835df69c30226076e8c98151e5e88b2f91cd3771b38daec1c",
    "signer": "0xc8b59C26109BC380ABC47eBad3DF1FB7d6aBf13C",
    "userId": "37821039"
  }
}