{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x084a200355360df926beeff797008bd0cdf2d29969a3cac425ed3aa4e7ac4687",
    "signature": "0xe91efebffe03db3c4d0667bd934739015955e0d6a416d1a7fd67bcfda65b92fa7fee9fefcddeeafca00e257303ff824ce577c700527cece5803a43edd68eaf391b",
    "signer": "0x7E220D00Da4Fe36D7822419CF66eD7c0C21A6398",
    "userId": "178180645"
  }
}