{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbbcff5abae4480fba76f3f1bf941b303e5a82ce1fa08749633f68aaa7abe0531",
    "signature": "0x82f93cc083cae2471720cf3df4c671d9fe84eab758d37e5cdbd0a1ee076eb37e2fdaa2362e0a51e28c2111fe4e07d6ffa864d63edf4fc73673d07da280dd5e6e1c",
    "signer": "0xd7879B884B8d2717f3d4544e0BFA2c0ff1451Db4",
    "userId": "296549053"
  }
}