{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314001",
    "entityType": "User",
    "nonce": "0x5b606dd3cba4b41bd0856ab6010afd1d13696610163eaa436bbddd3837cda3f7",
    "signature": "0xace58ea7c2db716c48c601f7721c8f13f00f46607069cfe70c88a06404ac618549d9757aaa8b38ee5844b1ee5e77053efe350e548782629c140172163410ad891b",
    "signer": "0x2F50f86Be5E8E960a8A80aff85106ed93A2c681B",
    "userId": "778093041"
  }
}