{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0x4d1576a369dcbb18ebac912c7132e926bf8d064e3fba3ec6c1e1020a0ce024c3",
    "signature": "0x86c855e6dfabab08bacbf93fed7a449fb20956579644eaf8ed27bc2db7f0d58c4d2284c82796eb88fc14b44620c73d808cd9c899cd95490106cfe05c54d61c271c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}