{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53474",
    "entityType": "User",
    "nonce": "0xb8b7745f281aeab7714e674b912218c175a940d59b6fe54303a8c8320b062606",
    "signature": "0xb565a05f2af1d8648f66638f0c52c5b6e68b5b759266eca1303a55e90bcce34915a07046daea26e430aaa1616b96bb511668c01ea2f9d0f61d5cc38557e84ba51b",
    "signer": "0x49725020a21cF6A928575eE04a5506771Fc95916",
    "userId": "908506084"
  }
}