{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202752",
    "entityType": "User",
    "nonce": "0x85d4fee0bc4752508816f45cfbf34ab8f793e19c893bfec1702c3a34bceece29",
    "signature": "0xc7065c636100f033118305990fb02931cca67744ffd6f9988c58e3458080ae1649561a1af6bbc34c68fdb9d62bf23aeceb1f8e60295633894cb79181f9f706bf1b",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}