{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "150631",
    "entityType": "User",
    "nonce": "0x2faf46ae5a524894df04bc6a4328e342b30996f6fba325ff467d56b55ff7baff",
    "signature": "0x4aef0d800947e27289204e90f3a6afc79e6d2e4918c6783110d9ae1ba7805a206f62652630c298129c93d1a0f6131dcc95a18426fc8515336fe1f9fffedffe951c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}