{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x38dee5fd9f8eda621e0412a6669bd8a2226ed12dd3a48dc8c94adbd62bbd2d7b",
    "signature": "0x2bb2155c72ea908a4251c92ca2d40d865594fef43c97b0e644c24344e5ecc4154153b6ab8ced6ea69e3b7314625e49d56fcb4aaaded08d3db1c7cd796f292c3d1c",
    "signer": "0xc8b59C26109BC380ABC47eBad3DF1FB7d6aBf13C",
    "userId": "37821039"
  }
}