{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x525d5298e387ddcff68772d6abb1b2dce2b0a376762401df0e6a704c2e763729",
    "signature": "0x84a0ab291e471fd5532d640251a78116f2961b7b1db328524edf6c1137c8c9e0322245066de3e0ee245bc4fd48231dc87bb8a1c9f75c7e7b44ac116ecb6f21dc1b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}