{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923028519",
    "entityType": "User",
    "nonce": "0xd25d677bbe07c960e7a7422dc5bce99f210403db70d991f5ccd4773a01f8c3a8",
    "signature": "0xa71b35ec793c09345f79393a19a24c262f340623b20bb1581a5a72c75c08754573727cd50a2b06c3d0eac56afec673e5ddc09377a00c5588ceb7f73ef51b43be1c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}