{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297354",
    "entityType": "User",
    "nonce": "0x5a35d76d33f057bf23f7e30e3fbef81fed230b8903dccb89ae6f7aca2754639f",
    "signature": "0x6df57fd45deb2e6b610ac718b501ac5b935b422789c16155cbc004a1fa342433120e48a001eada6cde3808ade4bdc06e463a9875bc8492d54be59d79cde8b6791b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}