{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117290",
    "entityType": "User",
    "nonce": "0xf61fd78ffc1b077d6b99e0a22fc04deda757d424197a6dd45f382c546f09d595",
    "signature": "0x5990878e87ab560dd0f0695475d4348a01bed1115a53ef607d292683670d1e9433f8d1b5bc0cd5d72495ba8548a46a7af8886abd504928d8e6b3842395e52a361c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}