{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xd8efda337e1e7fc83ba3505773a219594f75c4c92f214ea964eeecc55b03ffe9",
    "signature": "0x163d3ae5ff056f76204df5128ffeddd5331240b0b9abd5385ade233f790cd6ec6bd46799b5080d7831bb46778131d161df8933643d23d3099e078241b32f1dc21b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}