{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4686",
    "entityType": "User",
    "nonce": "0x4a5a18c4e816588fb23beaa57733d9a2f2a6cf3d2aa9733819a6457cb7af330b",
    "signature": "0x854a166f246aa6a2df80872ea3e9f771765e0be27d61528b6249e3fd7444e63e1e2e6ef286277eb0cd1d50d46a06e30063042ee7ba8e29002764be2b7bb825b01c",
    "signer": "0xdcC16D9e5786b484F155bf4e6d66C5130D845572",
    "userId": "61893"
  }
}