{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x49f43785450984b2cc8b3e522bc5d67f0da6225f7cb24bb255b9cbc49ba66a67",
    "signature": "0x36a98ce229dce6284c3f7cfa70060e5ea879add9b45ae9719cf92b032d8bc9a92ec1d4a564c4194b4b18969054e6348b686888f627d536e5220138552f8fd7791b",
    "signer": "0xa76A435101CDdf0a836F69244eBb64423E43Be61",
    "userId": "814993352"
  }
}