{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x052e50cbf12db5da5415fae29bade2f1a092b2449f2673296603cce10f17a8dd",
    "signature": "0x45cbb309ef2d409c65fcd9a17d414fe6468d792da5de0f3955f5619865edd3e749bb92e5b42d8f63abfd0253e84ea1bf24056ebed5ac43de0641f67a5b460e671c",
    "signer": "0xfBfBcf7A6505b548A89EDd67e15c6267Cc972fe1",
    "userId": "703058535"
  }
}