{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "874050367",
    "entityType": "User",
    "nonce": "0xb1fe7acbba1bedd27e5508b51814024153dfaea671c4886e191a0be172bcf0b4",
    "signature": "0x9f9bb61efea51c31f6479606ae77884c3e70eabbc8472b868cd94d2beba26eba134f46ee5df2fa0f3a96682768692964fd70dca868452f09a32ed0439cfa1d181c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}