{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458118601",
    "entityType": "User",
    "nonce": "0xfca0adfb11778f61e03d63f414b10469e8f800b060ebfd1204b520d1efdafb34",
    "signature": "0x0bfc0f0d478bbdc8b957e39728c9334762129974809ba092955db06bd55b0ac07d106997f7aa1e2662f03c697bccf13dc0a13af11be55544309654c0f26a39691b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}