{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xf46ba265b8c366ff330f34ae6c518fd1b34401e908bdb1a57761a5178d86f0d1",
    "signature": "0x26e0e712f67f97575cc299a5660df4099e169f859283231978db93d9d3fd2ab468cdafd6764dbc945925590d0217ad888c83303cdc694b7c24e14f70abc3010f1b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}