{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x5f663a712c5af7e3e74dc3f5bc66bc0fc25e20a2b43e58485999c6e28ac1498f",
    "signature": "0x2b37b59e51c207dce61f1cf269aed2376b44e74d85ebcbb0d3c6168fe4f8b8904d185efdbfc326456a50294131157032fb1a778551a3ba4a25fcf165958ef9881c",
    "signer": "0x257c9f4A9563d6A4a2bF3be7Da1738e167fcF295",
    "userId": "301719964"
  }
}