{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147867",
    "entityType": "User",
    "nonce": "0x8dfa6e960a5703037a82b42989684ac055a62a839568599db1efe54ee2936196",
    "signature": "0x306a8e98e75dadc5478147b97ae7fb2feef4255a31123294e2ff63bfd03615c746821b8a9d231b54a7eaec1e6f127f142c310ba132c36793eb553db965c0d8391c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}