{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x948dc1e589e9d98a4c062b7d8c064e6b818304b9cf0d05997b376adc26914663",
    "signature": "0xcc4012c2e71a7b6409e91b724890ca24f5dbc033906317f53f570dcd0d4a762c5988303c8ae594b9f9557be4406cfc66c8fd6e4adc799cf572baeba6dd9e124b1b",
    "signer": "0x417191f925afbbD146e7Dc43a25a615063bD4A6C",
    "userId": "829113944"
  }
}