{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x916840dc455aec4e637fa7bf5df1ab9f1a1890bda8af39fb5add3a10e3a636b8",
    "signature": "0x9722479ea2fbd25d2f9a9ebc548676ef8329812d1bc57ccbcb0fbc9080d238ff7adf23dfe40fbe33772d1a2af1d1c1ad1e1ffa22bd2c02ec40c2284b13d7b6031b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}