{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70125",
    "entityType": "User",
    "nonce": "0x01e30fe6aac3d45b168f75a45a909150603b15db816ba02faa92c4dc1370e3c2",
    "signature": "0x65bc77bedc44cbbbfbab31ff0eff2d00d25281f02a90cb9948dd3e3c61c9a4ef66e67234d1ff77ebee6ef197315ad0bedd0a6f05e8d76e910cbdc7c7f01f9d8a1b",
    "signer": "0x2d4E313C5C5BBeCd31f664627b0a91361e5D04D1",
    "userId": "106406"
  }
}