{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906222947",
    "entityType": "User",
    "nonce": "0x2d8c8270aad4f1f93e716a771dca47d81cab84277af7e8882dc3e28c9ba1d4c2",
    "signature": "0x0389aadb2bda56aa1d61bf1517f65b487d0513cc0831d6d00ff3e27f3cfca3527d0d4b19fa2971505bd838e2a701b0bd96d6d2db0bde378994ef23ac002c428f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}