{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xcb9f642c656ab1796b34ba63f8a4c25ef32a57d5b068a1b8ee01ff5914262cf5",
    "signature": "0xed747eafe0e55488144bf3817ef88c6c9b1b712ba24cfe1903e600bdaff5f84521e5c222fc0e8bafeb00f575a4938a50d6af3a72fef7be8d67e8fd2d596d9eba1b",
    "signer": "0x1eE9054C1Fbd103C220810Af04980227e57d33E3",
    "userId": "52328655"
  }
}