{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1579",
    "entityType": "User",
    "nonce": "0xbf7e9347a064eb987378d2a083dc1b9e13ac9a2141a234fc6cc18d5e2ee18d0c",
    "signature": "0x4195a3c95d045434842991f3033a18683a513ed9d0031675049938a17408e4d73c4bdaf4f1cd5cbcd798a55a091718cdddcddfdf5b546aeac4ee09c96b56741d1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}