{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105246",
    "entityType": "User",
    "nonce": "0x483b7281dc0ee0c92b0d15b6a4bea2c3a2cb7315049db12d48aab25d4c1d8782",
    "signature": "0x15f249ca451bdb0c9ece398071873848cba301d33d50442b73ee8e3943eec811780b91d164d5d564b1ac305a949f92abe3d4a1c2e45283f736c412deed332d6b1c",
    "signer": "0x7485DFa6dD3242CF70f4eC6EcFebD9Be63f48c5f",
    "userId": "527928318"
  }
}