{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363792800",
    "entityType": "User",
    "nonce": "0x0671eca70f90afa3129addd1e9c05c4355960933497302f4a1bacf0ccd6c84a7",
    "signature": "0xd9371c688b1be0c704f26ae3b5681e432279e1dfe3da58918e27a312e493bf555eb56060e9158e2175929f6d7f0104986c6cb11f8a83bf17a29d28910a6613a01c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}