{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76259",
    "entityType": "User",
    "nonce": "0x8e1bb95a4600a3e6b936e812ba0524667e4aa15875763257ec23e0b38cf697dc",
    "signature": "0xb651e46660f18e8a73ee9ae66c27ea25a17392b92e029b1da37f600fc15a39546c5457701991708698ed0b2ce4b784ccf826f531633fb604f164787a2922acfa1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}