{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175017",
    "entityType": "User",
    "nonce": "0x995a49ccf793c98ff57dea6574d971726647e0740d7afccde3f5d4adbcf8117f",
    "signature": "0xfdf8e73ba4017360462814f50363583846b1207a1bb6a2059e5f7521653d93fa4315efb62c1f3ea841c367a540fee11a61bdcc7d09390fb9edbc6112c66d1a241b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}