{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x111426154f4265eb4997d83d7ceaf94a58d5e28e8ea15cf6c42a82b0ee9b0266",
    "signature": "0xcfacdef11431e522b558e7953ebbb57c6c7dd3495f94ca8e6052c495ebea9424784d77a09931c9a05dbc301725eb4c199b7edc4182c2dd1c0e5824e3061bd12b1b",
    "signer": "0x257c9f4A9563d6A4a2bF3be7Da1738e167fcF295",
    "userId": "301719964"
  }
}