{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0x44a46b7e5029d9fb6fb1133103f7b57e7e9b9f55787f8925d4a621dfc6b430b3",
    "signature": "0x60a123d0ad87fa368aa0cb60c9184328e30945c03dfdfe8bd597d0d18f92ff1006b5443df1df2bc28d0d405fa2665c26f66485da2bf31c7b41210feb1e1b629f1c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}