{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70623",
    "entityType": "User",
    "nonce": "0x7a53601612c33bf1556188be132c83f8d8aedab93428eec0a3712630e2b6cd4c",
    "signature": "0x68246cfd30db19f58fda0fcc1d3aba13b3ce486a69d96ba052228f7200d920bd3d5c34efab2e9e1ae64c06ab3283e7fa3161b2f60e6263a43fcc70c8055295a81b",
    "signer": "0x77716b11b242ACc386023E99B7e647CaCCcbb8b6",
    "userId": "126786"
  }
}