{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135721506",
    "entityType": "User",
    "nonce": "0xb12ce65cc9ddcff317a72bf412b9925c91a75c5334280e2075b4121cf5ec4188",
    "signature": "0x48dbec45720078eecc0d4c867e6d4a7bd59267f363bfc1e07b5fcaa23b2d09e57e2ffd747a8a867293c3cc28d1359127850e1b81dc7b031ee62b283737ceb1711c",
    "signer": "0x92a5082636c97Db0Ae888484D85e4c8494A3B791",
    "userId": "895527427"
  }
}