{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "380088986",
    "entityType": "User",
    "nonce": "0x14f5f4b569b337b16fd98514da24ac00f619e1846da3f04e36704bed9257ed81",
    "signature": "0x880e62bec035a62bc612bd129f488de10ad6b426e2e3a21171ddaaa71410b08f744217448cc954ed12b96d44f7da741f20ed5647dbed83d13e50a9bcfa887aaf1b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}