{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38707",
    "entityType": "User",
    "nonce": "0x464db07117f5773d0288743116ef1d64fcd40e4f5e64a9b44300dea590311172",
    "signature": "0x90ce3c6eec50a026890271c7fe01a7b7483e4b15c776f24e7d4cb3783c6d9bd11f16b8e60f035acae834ab8596bc71d498184fe5ad8190d6b5a1e95f304ad52f1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}