{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf0fd80a6a44267d07205bc83ea883dc56f8b64d5c7940503560f54a61bf629d1",
    "signature": "0x3d2ef0f69b95be12c48024858be3137fd920a012ae83a930ffbc6d11365f20d334f12d9c23de80964c4e87f4874dd137c9f1afbfeed4f3a698ae6798519bfdfb1c",
    "signer": "0x7CDA77E08CecB6DBD20490207A731143FC007CA7",
    "userId": "8550967"
  }
}