{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127456",
    "entityType": "User",
    "nonce": "0xafe59312194060aba4e840e13cf1ea85804aa58ee1de10153d5b823058ed6eb7",
    "signature": "0x1f9bc0366824fa3c8b88372cf22cf0f968675319f107f97e32efe0ff99b752da50958d09e8e787f591015ad345b0e7a68bd10252750c5602d93e93bf30012c841c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}