{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188956",
    "entityType": "User",
    "nonce": "0x31a05256dbe07384f7c9cff591fa1004211e721d50689dbcc11cb652c5047106",
    "signature": "0x16bb9a59ef53cbe2eed20fb456cd7be778c60251dc7870b2fcdee1444d5a196268aef47aecbba7a22dd3e85dec10a31a5e04db67a16a3ba46454f49785a452971c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}