{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "233396404",
    "entityType": "User",
    "nonce": "0xd89688ad2e158b77fb1557e8701e89621d966586f8747cac8dd989dc67f08994",
    "signature": "0x5f533cbb1c5e6b83f4d944bec39ca1bf765efa92daac1e92b95da45c09c05c6a49cd136cd65dd9f2e5ed31b571f412a105d7628151d1bcfa24ee118977f6c2841b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}