{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb7c70a6771d2468e574c358984690f3baad75796b219f76d33d99779df7a7c8c",
    "signature": "0xb628f2c7468b3d238eb99ace966f843b5abd542bedffe1ad7f78927584812f7c2c79221d5f9efd5f274ab2476821a4c366dc6f51776494ba2a413c4e515118071b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}