{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71507",
    "entityType": "User",
    "nonce": "0x404aaf889dd5e4e861bb54d0de353ed46911610717d14a252815100dfc1e8a66",
    "signature": "0x579eac73df3998e1918f3a84d451807ddfa666c83a1da237e6fe23a2b589e6d564e657390df412545d9d012b448e949452fdff1f1e5dcb6cb0fa431024c9271a1c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}