{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323239",
    "entityType": "User",
    "nonce": "0x6f82b8020b70eed659950b97865e63301eeb05296115982ca69351167d693617",
    "signature": "0xb5f740043c3ffa6bb00496220115c30321ae733b72361b5044f801881b50254359b4cf8099dc3fd99b5da488867f35df0182e9290dd0c024edc640dac00d2c191c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}