{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73589",
    "entityType": "User",
    "nonce": "0x44bbf784c8bfb5dda344c4d0e38525bf78ca1f33f5738b1b6917f5e3a071f762",
    "signature": "0x06313192b7a9933d9eb5886ce965ae989bbc26d094068ef5d34f7c34c4bf0d0d0554b2a90bbb23e5fc53d3bb39f93b16078ec5962008b9122afedf280e888abd1c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}