{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182956",
    "entityType": "User",
    "nonce": "0x7465203be2f34b9415c661440adab05612628ad1d5dbe6ed17ffb709f4ac5729",
    "signature": "0x1ab0b0dbbe2f2e28fc0f2dc2a5f55a3390af84535f2a3c1eb9c0b50372f7ae922a85e0f6777dd271b91412869387e81df316ae01b18686007bfb81ddf333a6b41b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}