{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240841",
    "entityType": "User",
    "nonce": "0x8b8b017a006d24e91df47b98b6f6ba5f98293aaf1a8e5be34f0eabe374cbb49b",
    "signature": "0x5ca01b98c81f575b5619f2b000791534928e532172cd684bad928a6388184c9829150266fd3c547888ad61e4a8804c7a277b5254ee918f8bf3a694b53284d5171b",
    "signer": "0xF2711BDdB9fa2cBe6E54F7D343Df31f03F0fEF31",
    "userId": "526434125"
  }
}