{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x06419e575947f15884dce93549cdee6c0e5e2855fe809c9b51df457860b2fdae",
    "signature": "0x71325554b81e4df74ef5e3e84ae46f1f015ae20bd59483b1d115ee0c3305c8e13009a1a2cf3dcbc53bcd988f7b4f4cf0ca9ebc667e79e610fa9f4f0480cdb40e1b",
    "signer": "0xDB3069e47C38Da8d375A3eC24D197edce987cebC",
    "userId": "948417971"
  }
}