{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165137",
    "entityType": "User",
    "nonce": "0x8d17cd0175d5d78270c016b342e7c8f6f00bd7e29af849cd7d2724c96281c1c2",
    "signature": "0x79387e0f4eedd00a44ca72a4391ffabc5d2789b38ba02f2d4e091954b131ff42365ccbc979bbf6351d5d44b8404f1b501f7f07563ac53eab5522c3c9fce8bb471b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}