{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787067",
    "entityType": "User",
    "nonce": "0xd4f017f138c9ada16911f1b68540478b9951e18103dcc921dde20d3fc005f231",
    "signature": "0xd5b362a7e433ba442aa2165ac2ce232b68f8c9f0ca94625f5528c64bf226366d1a80567f7d5cb28262fe149de6cc72f721385029599f1825d70cf93275ddd9401b",
    "signer": "0xE534A1ad2e8E1f616866185D1efDf463B0eD38b4",
    "userId": "353625"
  }
}