{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475275462",
    "entityType": "User",
    "nonce": "0xd16c8c8eff3e6ad8475d3f26f7ec3d97dc4856978b9b610dec69d93664b82118",
    "signature": "0x2bf1ea8aaaa8892ffa36eed26bdb4e3023eae66be25277a1b2c49942dd4a9041549bcd94233ed7864827d1fac34cfd9225d802e9161337218ea56778297337881c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}