{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134623867",
    "entityType": "User",
    "nonce": "0xa945609d6f713cb76ae01c913f7c92c5ec6129c4dc7be4033bd4240e6d45391b",
    "signature": "0x36b1b17aeda25e6ac2eb01813341a4d25c6300bdeed6933b4cc08d4c9c4d2ebe5d079d451e6ec38d5bae074430d1e0f6e0e5217776b7951fc3eec136904409451c",
    "signer": "0x44E67f6fa14360B2F57Ee42Ba0e842f585FF85A1",
    "userId": "609847193"
  }
}