{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x37c6b0b7282d167818eec39e78c97880d17784cc9917e915a88e096c38450e9d",
    "signature": "0x882e13e8f787607c46bb35e45647a8ef6283dc6694226952a13696719e80a9a7655db2ecc9d3cda1dd7997767a5c59d9542f343cb4741d0d84d8204998e55e8d1b",
    "signer": "0x205AB12f2C6e727fb65885B2A70E722f58C79a8F",
    "userId": "333383841"
  }
}