{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb7ffc0f415c3fb459605dd85707df7671d22e0bfc175789c5ed61d92b8af29ac",
    "signature": "0xa48715bd76b87f3edbc044ee28bcee5e9ceca0c7ba0617d9e810a03791917d360a6f05ad782344d833822f739be546d5a4fcf61fc818c51d811019cd4371abc81b",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}