{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84966",
    "entityType": "User",
    "nonce": "0x7b69e6682bd7ff69ffdab92abd299e7699fd8fc331f6f3a729d4becf09674f8e",
    "signature": "0xa88da003326d22a4563fe4ef6288bb86885ad25ea95533e50d3976c38b5614d8563b119df8dbdd7ece4c6bd7ecc8f40e213a135642b00484c3eca297293be9421b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}