{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "368743913",
    "entityType": "User",
    "nonce": "0x0fb2150d31abca2238bbb312a62ab7e33783d830b0079cbb13aa136bff2d102e",
    "signature": "0x8e9e9dbd54ccde156c9db5547472654f6dc06a4c05f7f19af0aada3bb65f5807356a565cbb3e87fb112261d20ae50ed0e011cc847dee7efbaab8fd9c12014c001c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}