{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa2953b65b1eaebcef83e87020b90732ddf6d3fa014b719bfa3f9fa46ad24a04b",
    "signature": "0x2a7b9c04242bfb007d4b2ba04da3d247a719b392cfd2e71d54ddd9eb9f8e144d61129eb201e8eeeab37379adfa1a7ace76b687b9cee82a92ec63a45b81f78c921b",
    "signer": "0x792632D35Fca4cc5abA0bc6B33a3F6729b4ACf3D",
    "userId": "509819410"
  }
}