{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "872465229",
    "entityType": "User",
    "nonce": "0x27d4d15c8a0ba510af5b17d2983b6405c56ad9978d062a06524b32cd5f953fcb",
    "signature": "0x059693dc7ef262e7208db9c9c8ccc148c0d56df07c6dc46dda9888ed38aed4577743d2ca907a7beb7fcaabe3aaec7a3f8ecffd4b458a68526bf405e8fbaee0381c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}