{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80682",
    "entityType": "User",
    "nonce": "0x6ff08bcec4cfbaba1d0f018f96e1843642b7b9fed9a9841af72effd3231e6ead",
    "signature": "0x6b7b8b7ace891b659b91ae00bf82d9c3d08988c4f23da5c73acbed664fc34a8938e5079d768d40087b6a78803679023b2eeb4bb7ac6b03e986e1bd9500d29de71c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}