{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "626189233",
    "entityType": "User",
    "nonce": "0x9197b494cbd16a63d298db60e8e1a99a3732af821f59499926c7dacb86e085c0",
    "signature": "0xa75cae83805071f8c099dfdeb2fab4babb7fd13aca34f72cafb8b35c7846693766460f3b7044c20f20a67c960e5e54e694d7438b4685fe4a001c967851131acb1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}