{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa653f6d01621e96fb7df5b16408d8324d92597a2fd316884fc1d833791ac3f53",
    "signature": "0xee47dec2bb9d9e18d74546c0cb20dbbed746d2320d6b85ee233500e0725004653bb5fcb3b0910a6c2024e2cef839914084e4c8278cd623bc62f01aa6757d28ca1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}