{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177152",
    "entityType": "User",
    "nonce": "0x24224e9b77eb228a68e47ae543283745a7bb67cf1d48f4bea46ba251a1e415ef",
    "signature": "0x81d61de7d879bb39347d737c5aa86cbe20d5857637f20bc39b13ea85db894af600d523a39e607d1fb15840523e7311b7747bd80eb6cdc13a2058f79cdfb547861c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}