{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x0829bbb3f883beed751f3f36a67958f5331aae2b9516e4f767452aee98a34af4",
    "signature": "0xd25f2c26b435e67bcc9d7419977796ce19b24a32782142874338ddf7ad28da39286d6957c802eeb288c2e913baa4dd7f635970f6314b814c49dd26d2008f639b1c",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}