{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29243",
    "entityType": "User",
    "nonce": "0x5ced69e870bb09137572de07920617c76b024900fd5f539ae863cede19462484",
    "signature": "0xd257800b34ea371beec67ae60082a41158a2c9d0a7d73e0a8b01d55df1ca12526287386259bccba2de1d572628603ad54cd036cc665243d54cf54c989e381b7d1b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}