{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60555",
    "entityType": "User",
    "nonce": "0xed1143eeb10b8e88f1318abfdf539e7a20f53ab566c82a99de01dc693abcd56e",
    "signature": "0xb5f68bdbf0485cb1bd4d5c3db263a70f6eacfbee5172eacb42e5254f819deb985b1d0da0a2dc6047aac87cdea001d90790becbe37237755d7d4c6a2eb25b7b7a1b",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}