{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe7fa4d034f836bde603f10ed9f32642e44ddaeee5655d77e676ed023d3afa452",
    "signature": "0x72b8f343777d37274a97b355af713ecf857dc2ac7c43b83cf9c589f5416d378e6c673a5af5fb617b1483ca3cec047f8ebf16e392574f25121f4b8f13f4183f501c",
    "signer": "0xCD942117C9d602613ce007099565d7CbF69A1167",
    "userId": "705608357"
  }
}