{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa6fce442568a8c30faedf29196081af782989f44f17e8ed4e9e742978d51368b",
    "signature": "0x24e7a1d18073ab8d14806721c9908bf00ac1c3d29267931c1bd20abd8209078b7da273d49ed53edc098a65dcf1189211c416f24170f5c539bfa0062deed837ef1c",
    "signer": "0x5F43d7C37e97c62BD6cCfFBC18108aaDeaeAAc83",
    "userId": "113466254"
  }
}