{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "121018469",
    "entityType": "User",
    "nonce": "0x56306db2e09bf3c1844171277917c50744cb0c8c14d55c26e2aaa5a14499b0b8",
    "signature": "0xd4d4dcc461f0b70cebd26520e09013d9abee479c2b9ce77201169ba02e712b7634e612cbc93f6f68bcb27418382df16415a61d5e605f38acc775797252fe688b1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}