{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "256479919",
    "entityType": "User",
    "nonce": "0x17097d3d01f03bf7746b5df3a76c811bb885852ceb6c26066c6bbfe088e8884d",
    "signature": "0x365e857907de3a24879306102d87db023e438c4dbf99ec07f8439a8f0bfa4a050d70e97e5c2b4a3c6bdceb8220ac6c2b6fc95a908dd1c9875b1b32794d5b799b1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}