{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xae5f2e315d994b3e78f79aa5f2837929aa2f19658cc6a7a4acce56648b0cf003",
    "signature": "0xce88eca0519945409ef636e286628eeabdc6fbbd7af22295a1b916893a31185839e5b7879b5daf4561d2fc67556f7d771110a7d735d5414679bd2565e04453721b",
    "signer": "0xf4e39f23021D832A7D8e37A3e280Bb0E5bC75bFC",
    "userId": "406892069"
  }
}