{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf0df1f5abc283e9f80ea6ad77197fd574d9c0bc3e559450ecb26dab7a829fb9a",
    "signature": "0xd61a662a051eb192b4ebcfd912d73788f8aec52e1daec9b86955bade504b27d37d88bef2899df79ba5c39e5ece7ace99f5e201fb380237a3e08dda0af03cbcf01b",
    "signer": "0x08971aB02c204C82137219BB1001669acd69aA27",
    "userId": "463429578"
  }
}