{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "920165300",
    "entityType": "User",
    "nonce": "0x2d9f3cefc5dfae2da21ba82f62e52fc813fd7845193d2a12f98cd9cf717365b5",
    "signature": "0xb98318a48bbcea563624923592792f8d2702bb2610ebc4bd6b638e8dcf94da4136bd8eee93b6140e5b82b2c8e71f984724e198344093723d04b3c7a7dd33191a1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}