{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125784",
    "entityType": "User",
    "nonce": "0x7a7c879ce2790da822f3cca5a75c3f5bb0ee321add96129bda89fc1bb1eb3728",
    "signature": "0xaee6b623c63392d18e664a38594b16241da1bef015a5be02d3f1c56535e7c30e00dd1462a98f8c4dcdab825c8ee7f5b87a484ac6743065149f3f14159434a5571c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}