{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8057",
    "entityType": "User",
    "nonce": "0xaf92915ac462d63e5249c93f91528cc6adbf4d17021c99533f847e40cd714ef5",
    "signature": "0x1baa6a85ef88f1fb412e1f6751cc6e7f6987fb58063ce9e6faa94e55b1009b675f248f074b87d2e01b2731bd6a9a75a7e78bcd353277d904ff620a2eb9efc1cc1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}