{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0xfd06d5603b46843a74ea5f17791fee8c50786fa7e631e5dc93eb111e197625d4",
    "signature": "0x31d1d6727841c8aa4553f15e1079d8992e2b50cd0f3a865e44ee6cac8eda70710e732a7053e64d641dc5c6d63fcbb057e62ae8ccbf9dca3c8f038a5b53652e341c",
    "signer": "0xc876F505cb8a680D38792C141903C53780bc3901",
    "userId": "384345140"
  }
}