{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8af96c48d159c35acfa346c0e6fb9cb232461a9a225ca3ff263eb6356d7f939d",
    "signature": "0xce2a427ddd9c8a5156b067859c5378f6dc05df2319dfe2f5ea4aae407aa009c324552f745436aa7e1d7d72993546c3a06e6da9c97448f981b1953cd5146242dd1c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}