{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6268547b0ee0012fa2df8ce24fb0c436869e8202488ea1501fff4e467ba1e6d4",
    "signature": "0x923cfe19ae797312c094e927cb0586d702f41e12e3b4f0e8647e92dc82e87478705c409cdcbeb9ef6331b43e8dac93f79cabf69e7f48249317587f92e4c5d4ed1b",
    "signer": "0x832DBc0F688D4b18292044b87259Be398F06481a",
    "userId": "879827965"
  }
}