{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "457126184",
    "entityType": "User",
    "nonce": "0xe208561760c7df1c9f498222fa305c079ccebd8e4a3ea38321de8c33f4fd90f0",
    "signature": "0x067aaaf22b743da04aabdd159666b281a700d140e1ce719fe82e8ef5d8bf4a6873babc77d84d6b379a74ebf36c99535a60e2bad0816e4c45adca6d257a888d691b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}