{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858065710",
    "entityType": "User",
    "nonce": "0x06c36e2d595f7a6040789324b2c3ccc2f070b645fa31e4454fad8446dc4257af",
    "signature": "0x3d6c619ab96a6802f676e7f0a40e1fa648c313907c242ea236c2533b2008bf0558932fe63fac50d07ae22cf20cb7ac66641a951f764dfedc06218465b6ace60e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}