{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1435937",
    "entityType": "User",
    "nonce": "0x391a76653b051232560a2eec3dbb088d19a9d0d6853d2e8666b03bf155b8ad24",
    "signature": "0xa061b5027de1d8b757aee9c133b7b7fdc8ffa405cd5578b771cf7f303b94fbc633272985a6543db522eb09552166c8b803a26ad0bda944b696c2041760561a8c1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}