{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0x4eefa97904ca93c016d218a83ff4f890575bc9a14d8e1b8750b59459781b2453",
    "signature": "0x25fcc7b38bebace3643eff1ce1dee1f235acb52651071e1a71ed2ccf6e61d63d23f9b893c3c13afd98a120225ace68c8b55ba6e258453a16b0ba95a0099720cf1b",
    "signer": "0x6a79014dac58f1D33D45347A909f9628C2132216",
    "userId": "718119401"
  }
}