{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69623",
    "entityType": "User",
    "nonce": "0x4657b8a05d568e19c831dd444f33cdf67fa03b6dbbcb3119412eadff48b78310",
    "signature": "0xceecdc8cb94b24501fffc6e1e21f0d8b925d7f1f1bd3245584ce0ee3b4643070526bd4b312e4cfb57a583de13073b63cd1eb1568004e86db3f512774cb17fb5e1c",
    "signer": "0x5aeCC1AFF37a5BA2FEE40cF4dd6357A86DE23D42",
    "userId": "950958674"
  }
}