{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x3538829ac766c65fadb67ef0ff8811a43b67ce70447ba6005813fe45c1bd80f6",
    "signature": "0x7bfa76533b3a8fe0de65a7396a65342ec4f0f6a031f1c23bd7224e85e772c0a31d6a9e975c3269303425d46bb6d397671e8afa7ff9dce824d8cec54a7bc8f0f41b",
    "signer": "0x967A35Ecc3e57C43B13DD23C4Af7318374917dF2",
    "userId": "679040863"
  }
}