{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xe7066f9b23a37e3792459f9aa5114a2a5d1319ca4507f1737a7e7a751e23d7d9",
    "signature": "0xe7d532e84779a144bdf24ed8f89e31185363f82228e4e1225a63cb1b2ac1b06527c9fc5908fb665ef71924566b83a140dc6d6b48fcf822e9832e9d43921af8dd1b",
    "signer": "0xf1371287CcA349Af4a653c15B0E788bB01fc7eBE",
    "userId": "184922871"
  }
}