{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108164766",
    "entityType": "User",
    "nonce": "0x5381a59c8e8688b10c210489e6cef601124bee531a2c841a0fd720bdd28e7792",
    "signature": "0x69afaf8a6483e069c22fdd9b62f0f158e87e283ff57c20e9cd61b65efa76ab9b67e52c5f1ef2a4ed4a7dfb3de8f361e3b039fb7e924754fd0288a9d5289767381b",
    "signer": "0x67167AbC91859b34FAF160b2716EA8251977d1F0",
    "userId": "872410480"
  }
}