{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "661101608",
    "entityType": "User",
    "nonce": "0x5cd4c5f37e713462c0b28d66856174e35572eb33e97ff141948ea9bd1e7ef0df",
    "signature": "0xdbd77c94ee1bb3b07883ccfa16db9ac203214f620960b5f42f642859e4c31fbc6df2f1ba3f5d18af384de8915bbdf299adb94226c1353f4f7dd48eec908b24cc1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}