{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0x2d6c8382557a43dab7518e2c6b755ffd6ce24ac5a09588ef60e923cf939901f6",
    "signature": "0xe383da81ce1aa683b6afa236a12e3b457f05631402da784116d3b492a4bc062362e38a1c1923c79f482c02e8b9a44e5aec44bd8b4c9eeb2c5ce34d5d6c99e9b51b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}