{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86718",
    "entityType": "User",
    "nonce": "0x7afe9811d6071845175e16cbbb750f2adf7f3cd49d1cee83342602f8d9f8cd79",
    "signature": "0x9ff27d71c03306ea2db7dd333d2fb3b41b94bceb7ec8ca0a5fa4a6a5b4be739b1f592ac053004ed54356b9b5f4b20c27cd412da0b86766e080c25dd32b0aef051c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}