{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7676",
    "entityType": "User",
    "nonce": "0x883f40e1d36bcfde171cbaddd9bfc998777424bda2e863f4b9aa0d46c67ab9e4",
    "signature": "0x56d717953debe8b9e43cbd3f62a83394cfb4aaa6639223202638acb7ba4ce505722212a4eef9278f44a853f7464eaf7ca42be849a193a4b54bf5cb7eeb4c14cc1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}