{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x614c47942422ac3c4b1de111b72f89b7813306b74082567951cfa4800354f462",
    "signature": "0x13469ba66fcc77bec5ec92a776afdd10b746cfc684cf041104830f3d94facf3c14be76916c7430ac2cd0bbae5c7ee0617bd36ea3b293454f1165008f292367451b",
    "signer": "0x18eCB97d7397095705C527E23EfB6f7A2dC1b185",
    "userId": "37788393"
  }
}