{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308965750",
    "entityType": "User",
    "nonce": "0x4e6ff469f51b2b1efae5b63f3d5a66ec817db903942deb80291254e00fd86967",
    "signature": "0x4f8c7626ffe1bdbfd1648e51b3e3eb3333f065ab0e083fddf6937548fa561b867513b4d515b55ba97fef31c6edc2f9b980f735e9f7199d62c94da995d7b5ca5c1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}