{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274419069",
    "entityType": "User",
    "nonce": "0x41098c1b1f332ef75fb71fb20c7da43581e563eb2c6aa04b412726af6a43c673",
    "signature": "0x0ee546d36c9af2977911766f8b736cbb5302999488daa3a271269a659d547aa102070c32b5fa63f04945b401b505a50dde6022763bbfd8525aaf405a055b3f281b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}