{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xd610dc8d332f61d6f2fdc1d0d7264ca44e542ff6824111989e5ee7170c13c5f8",
    "signature": "0x2000ede023f879160adbd1544a3d5b908f9fed734f43c497379f508139a7b4a401d64fb9947e1227128eaa7a901ac7ad27e8fad4eddea68a15be68eff277f9861c",
    "signer": "0x7a78569646ADa00a4d555F20fA48e9cDb9ef14F5",
    "userId": "333304008"
  }
}