{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16827",
    "entityType": "User",
    "nonce": "0xada3beb0a6cc6c20a083511e79e4bedd42ece42ecc20ae834c4f7100228d8ce8",
    "signature": "0x6de5077cd8f939522d4d99359d56e7dd4f12e34475c520b9131c92391eef813318b13436070c29352ddc18fbfd7ec6e858449341394e94c23696041a1a71ad3b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}