{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176490",
    "entityType": "User",
    "nonce": "0x3ca5f58bc34e5dc601346ac10a7886fab7827c67e9c6e014ee0c34614f3a676b",
    "signature": "0x8218847a772cc4d8aa301be1646dff64495ca4b530a9ec6ecf2dc0c2fb88cec6145003d1e859ee963654437a90865eeac7ab0d717bd83eff3eb3bace5f10ca6e1b",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}