{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1705b2375e82169caf34b5a4b373d66b4e19ff80fed2e08272a80c590e188cc2",
    "signature": "0x1f467709d601b303735660bc76fc33fff390a7c36a758c2529cbf5cfdc20fbed3ef483b8e955677af99637b5c32442146a4e7e738d73efaf8a7141a5822cdcf21b",
    "signer": "0x05F56acB95A15c6bDa007D1a34480CEC1Dbd12BE",
    "userId": "970285701"
  }
}