{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0xe44b0b496506b3c7252f0f015e6ddb12700dc84174fad146a77e4adff8ea342b",
    "signature": "0x03a3d36b772db7bf77dc22bb702e38f32074ed38af492f0facdc2612bdac3e080e5a7d8cdead016ff17a8349946e4eac5208a5ed4fc05595236cfe7b2ad01d351c",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}