{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313260",
    "entityType": "User",
    "nonce": "0x04172eaf1a108ed9af1bf6f5cfb34c142ffc4b48fe158fa9d5fc510d8f32cc47",
    "signature": "0x7e887e9dc052bf0a6142750e87cea675ff00c1c51a4f675626b2c18eb37016834632059334ae06767b5dcd92d72abbd14c10bd327545974b3901b43c880ed7a91c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}