{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12218",
    "entityType": "User",
    "nonce": "0x95cf69b5c7107510ddc1e6ba85f70dcd52df8275bb24acbf5e465ec4f8c3758b",
    "signature": "0x84692aed30c1f66b95f724080acd2d5d07bc380be8da23acb6a9f8ca5fe7b90d6a062f82e2e2ce94559844e9ffc9c38245f079536092fc17430e95c91deda9a31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}