{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdf83fd7cc1c5e33caed45be5255680e621febe144a984fe1ed62f4f25166ae84",
    "signature": "0x3a92f629f26988fa7e8206362f02e17dbfec5b438017319972792816971560ff1f20f5aeaf0a66ccac03a0e1b2edabf8c1fb72b888d96118267fe3e725bc848b1b",
    "signer": "0x325382279630424A96726a642a0de2C40bABA799",
    "userId": "922166032"
  }
}