{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164029",
    "entityType": "User",
    "nonce": "0xbb5d0058c5a6bc1fd38835ff8fd07ff2a79aff2a5cb6aa23263f0cb9f2e5e0eb",
    "signature": "0xf45b9cc0c768136c759728ef726d4d6e8f0e7d480e997b60e5d6be1937456c956426fe0329af92c8eec35d4a4a46e9b8c3bd7ca07c708d435245eaee5c9cf0201c",
    "signer": "0x67E321241D4e44e5aB5D1c365505f0F33044C7BE",
    "userId": "460631539"
  }
}