{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78335",
    "entityType": "User",
    "nonce": "0xe920103d05e0355aeeabbbc65d18706f2ef36c639702980b7770cf19d47da5b9",
    "signature": "0x818f0089cbab5cc7d2724a096641f9a804da4821fbdd7f717fb66cdc5aebd8473a3187bc57fe8dc6da283edafc2427df0a1f72981640ae5672cab32c873b28f31c",
    "signer": "0xF5a4f8fCD6d35F4AF037631D92a627E42c6B9BF1",
    "userId": "713783640"
  }
}