{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139931",
    "entityType": "User",
    "nonce": "0x42d94694dc411bba3d7b0bb9ad7c06627798dbddaa480b91217b7257e2bde29c",
    "signature": "0xe4a3ce962be7d9c31e096ac263082f969c0fa195735115228a819c38fe585da9086f55dd35ddf437645b590592150d25f11c65974b0643402de6a5d18a3653691b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}