{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "47862418",
    "entityType": "User",
    "nonce": "0x8c26f13f2c40bf6a57eb8913dc986f8f055e2e38ed6506b6c3232a3f2a7b0322",
    "signature": "0x883e5177ffbf509d0ed51f7f5712a75583ef91c1074cfe90c850ce4c765a58f936481e56e5074c61d93f55b9029ccede61df1c886b1af26d157e9f068ac6a8891c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}