{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x955e6e3eaf098b32a9d98c5cc66600d45f9b02655a06e8811b5ed31efa4a878b",
    "signature": "0x5460b0fc2efa4630ec4328878b179014e5faa4e50fa5500e566185fc464e8fb97811bb10233f09696da21a4a6dd134a766e68ed05c8e663820c4ee38f21d009d1b",
    "signer": "0x918763385B46E1a22236838DA41622bAE8282Df0",
    "userId": "930357148"
  }
}