{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232868",
    "entityType": "User",
    "nonce": "0xb87fbaa4552bfb0195bff242d63c68e8d6561db46194cb7025c5aecf70286b2e",
    "signature": "0x8befe9dc627402b45ba81082d3fb6798c67aa3a18eef33c6ac483ea84410141b29ee0715bc3750361e2bafc5c31312de9ad1bb1997a7157f7737a9b37dd2bb501c",
    "signer": "0x0d0E0D19797534AEF52736C60B52793E9f88e24F",
    "userId": "603294620"
  }
}