{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x88c48878898e79770b365809b3e4b9e16618dd9c6d90f87055cfe6785d4d6a7a",
    "signature": "0xd085cd85196f4524a130660f11bf1f7759f733fe82710e578c4de61cd0b53d450b6b5fd27d288b354190ca44dbf5abf2866e9a43f254bd2a424a59715279bc251b",
    "signer": "0xF277776C87fae0004d160528Ed671bFf5156a147",
    "userId": "844253107"
  }
}