{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x15072afedaeb18b835e62ee153ed1d5b914a1bf10cf438a45aefa6f0acb6e55c",
    "signature": "0x127aae31a04fb8df408f5f8bea040252b11368004651cc24a96307b23b2d5a460f5aeed18edb8e43b3033a92230f5c29d7fefb3ee950ff8a20f4e2c8c297fd321b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}