{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373165",
    "entityType": "User",
    "nonce": "0xf9ce7efeb4893f94264265b28213789d699447c9881711d2a4bd8c8488775e41",
    "signature": "0x70cfdfb849ff16a58e195188b01164a3898be4863376102e5ad2c8d2d5b1871d0a136edbbbaf0d316bb7e4032fe22b55050e82a3708a9fcfeef337fa06c9473f1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}