{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6462",
    "entityType": "User",
    "nonce": "0xd2ee4a9f03ecb7c5a929973f6105e699d92c1fbb3bd9688199d292728fd7856e",
    "signature": "0x40e469536e52dd19e4056a986ec55911878a347a450714bf9547e04b4a625a99353dac2d04e3036418e22df5a0b83c391cf6b8841cc443da5bd20c13b3816bc01b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}