{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xbec447f9fbf16041a409eab794b4b1f8e214baa606f0778c3c60a7cc09bae06c",
    "signature": "0xacc3458d1c3dcdcd6a4e377cc63d8ddac0ebfe9380509550b7aa677b404b7dce420f695db1fc956108f331baf647123483219b23d9020c842241d26de2769ca11c",
    "signer": "0x4771D256e7217EB6B247e8cBaFbbCb199424a6b2",
    "userId": "836389559"
  }
}