{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x9dbb1fad679359d623b7b80f66984602811f7cf09ade86460965cf6f2f221fc6",
    "signature": "0x21460efd9ac628e6e5cf00fdf9cd34522660b6ab2d46c84842823ff25d585c8e02dd2d3371365fef0937b3729c282b6005a8e3ed7fe55e94dcd83b133f7849231b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}