{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x39457a1db58884072b02757ac80df94121c0774757dcc041e4e671021d055caa",
    "signature": "0x12febf82ffb54e9b547f43a696ff6bdd31c3eed42a37f7de102b071e7a6cc7b1587fceadba07de0164bc42b16a4eafcbbaf48eea74de45efaa50d8478e0f45b51b",
    "signer": "0xf76Be3e57D30ebb176cA7D31f49157c7f56E6b0D",
    "userId": "204302128"
  }
}