{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36507",
    "entityType": "User",
    "nonce": "0x75496d1798f2d66d35d7fea9f06890ef38ffdd5ab3620c1b222ae1a337efb008",
    "signature": "0x9fe3a32b73233dede7f7bbf1d73fdca1e8ad8954d1dc661bc6a9e116df852c793664fb51efe192a1497c9617b933ebd108acf841581be4e5d52731fe69ac9d331b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}