{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4362",
    "entityType": "User",
    "nonce": "0xb30a287de423515553e25e9805d54406656dd232263149948480d7e0cefcc416",
    "signature": "0x1155801aaa042c5c167378cb74d7d93e7a6aa754327a134cc5e40f29313dc16342417a1b70caf39090dfcd1e98967766ce0d8c47dc4072643e4babb9108998ec1c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}