{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200945",
    "entityType": "User",
    "nonce": "0xb648fbf7e3c6a7b3f23591bf220b5b64b9129edaf7f0c520325d0778559e37f6",
    "signature": "0x17f832e6e7e00e5f58ea11da20fd029e3aabc2b17b9b88b34d8023ed4cea0c6d13cd8467506e00010785fda445a55ae719e99f8f0c14a88869019523dfbd939a1c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}