{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306838",
    "entityType": "User",
    "nonce": "0xf262bfb80a5e4e9aef6375b5a725d33b0d63be6aa346ff97e8f002b52ffe4246",
    "signature": "0xba5ff75b425afdf24119a01dc179a3f81b95f13937d8edc1279c0b478a4dc2ec53440a107ef86421c21504c8cd5ffefb8952265a200b9d800b0e81f453d51c001c",
    "signer": "0x32987cB5D8fDeFeb44447584950469BfeC9Cd41f",
    "userId": "63084"
  }
}