{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159460377",
    "entityType": "User",
    "nonce": "0xaa12099774225384a654592bab5e561e8032c3fbe70e93f59fed9c26f94d47cb",
    "signature": "0x5254683c10e8fe13081496ad7381bd3ad4475cb4ba9ad829b1c74d71bc3d364761a0e653c2edee482cd322fc29995b46ede2ce490119f6ef96e64b68938711b81b",
    "signer": "0xb56fC8198ae97f6F430574C70EB86d5A7831d185",
    "userId": "357890672"
  }
}