{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x05e4f2f59ea023b8a17ea4c6552571453a6cdc6346708bed99e9c4fd7e8fab8f",
    "signature": "0x28b694d0d3053df926a40532d7a2c024afff4ef1fdeca3c6385d21002af28bc46f6027374c3280472805566b6e49a46f203405b91cacbda0dbd0c32947a37f771c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}