{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x45cac19d5ff81118ac02a4475316ef25ca9361d70601ad39a380082f7e8b1a1d",
    "signature": "0x4bd922c96b49de33261ed830db4dcf4f31c748e515c586b1acb8ef6ec20c2522499ab59a7d570e255be47c4c9d0dd3748be0c2cb4f6df114b477482bd7fe5dd01b",
    "signer": "0xd0a859CF2624a008D7A044Fc8d234f7A34024587",
    "userId": "917830143"
  }
}