{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0xf4cd093ccd9e641d4101f7f951af16ef7b82db5302b23daf8f5419e422a386fd",
    "signature": "0x7fbafd48cecc6f9e9be0eaafecd491dac7714211db051d7edba5d244b55197b24340c21c165ed1407ef4ea33209e9f5fc2f85b91f282788bcd05a104c720a3251b",
    "signer": "0x1C643dD4250d7eAEa215886aE4Fb16311EC3a8c9",
    "userId": "988118528"
  }
}