{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85514",
    "entityType": "User",
    "nonce": "0xb5b044fa3ee5cbdc54720650a65792d8fa64622e75f8658b3272b726ced91c8e",
    "signature": "0x1cf5a081addc938bacb870a34a4810b38e49e63d48cc99dcac6b40087706b5c512377ae510a79c7af107b269bdbfb0ff0af73248745eb7b94790330d49b585b01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}