{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x977f85af073f6e9dfc75daa16b401f27e354bbc787ce0b39302f025960750a0f",
    "signature": "0xf695b296fac14b6ba15bbd7a898a1ad4a6d9d759890d308cc6a48bd2251484882ed67caa8bce91c81cb0f118f636da0d9c81f0f16c3994201208f5100ba07f691b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}