{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6054",
    "entityType": "User",
    "nonce": "0x0f28ecee146f49c9be513e9eff052747c1679950ddc82a3d104bbca00750ce09",
    "signature": "0xc774bfde40e8e298fe6cfb213b1a5d79249a09eb5d7e410d82ac8536e2fd89273a0ceb04f102323262902b3ce2503a70721eb4d1124cc5814322487ccc3f48061b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}