{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x359766d9a5b4c2e16186063a350ae54b3c273adc44a91a14823ddd694dcccf60",
    "signature": "0xa308360c4ecd5d1fb7f37d5218293e82e07f05b5595105a998847014bf682fb759f71003e313c81b699d2609192070ba4c6d3cd1dac3810fce4d2da23d12d4dd1b",
    "signer": "0xBa39a1B9C2A30Ab1FAfa33cF54BF03e443abad57",
    "userId": "348773042"
  }
}