{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58545426",
    "entityType": "User",
    "nonce": "0x85f1047581fcf43c643cc77f34ac09e2d5dec9efbfdb7c78f0516c1866c11fab",
    "signature": "0xc4e459ee5a4bb262ed46a91a8d82e25c4c1ee52fed06d449b31771dc76135fc32db2e89f7422c39b877da39e5415a965af731fc37773ca1672f27236f8d28b4e1b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}