{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xc94ccc71c8ffe9610852c6bf1c30c65639a0e66a2e3a02668106ee6d7f64eab4",
    "signature": "0x15c529e95223f090b78dba5a67d0f3e71a566fb6ad82dd9a30ae985f265146e46f987d183341a7b698cf0295622633bb1f1118d96399aa9a9933163a31348df71b",
    "signer": "0x2a14233e1f50922EA23fb817931968707B6A04c0",
    "userId": "727256442"
  }
}