{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9c3b71c7fd73b22a10506afe2805d92d51cc00a7d3ed518c226842351f310141",
    "signature": "0x7d4a8687591175ced2e0154c49dbc5866c3a76dcaea87f7f808892c0fb7d45bf2f18b113ca06176efd95442834f9e4e27b9d97dfc8462d4025d54e31c80c45471b",
    "signer": "0xc02e865Ff3C7F27F2E175A02309e316536e39375",
    "userId": "296134976"
  }
}