{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87134",
    "entityType": "User",
    "nonce": "0x4622ab785769151ef2b6ae4cfbebae2de78eab6585f9c32d96475a5e9cf43cbb",
    "signature": "0x5e9e544f537ff3cad1439ba30eb11fa95e38492af2c29702e78338cb113e048a23f22641b77e12a24b8f8b919ef68968e738965fb665ebdebbe64a3c5798896d1c",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}