{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827124668",
    "entityType": "User",
    "nonce": "0xde140e285d1b4a29af871989466668ab74bcb9f92e649d97be9c8a433d743e10",
    "signature": "0x3401c1a6ad441f504b0aba450bfbbadd14bc1a0401339ffd04e4203e270d812d19582e492548799b09b91280f08c9d60613de43999b832deac3cd5e80ec64ea91b",
    "signer": "0xbd126Da914dEF5554d9f1d0c31544e8646419780",
    "userId": "81556"
  }
}