{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaaa1d5f2079e3a55f10a6be1ace9db7f3dd11fd0ba05f54b5ee5cf9b09e0b9f2",
    "signature": "0x468118892c7345e4fb2bb9ca7c1385926fed001cb79a56b49afddd98278c35fe6728295601ceb022eb23b902029a0f3b197ee3020849a5b64099f848028b10ee1c",
    "signer": "0x96a4680c533Bc583907552C119464e15c047A39E",
    "userId": "474128218"
  }
}