{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x0af32f7c624a57a7000b66068a63d7811d80db16973e07ea329810c74ba2d919",
    "signature": "0x86ef98102c4c637558c9ff6db8a012b8039523b244a59361eb9bcde36858de4e26839fffee92447250d13e755ba478d00714f17579f2d35e86af7a135de516f21b",
    "signer": "0x2CD314789C9583D12b6F54862F9E2cf505880Ad9",
    "userId": "354640"
  }
}