{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "841756759",
    "entityType": "User",
    "nonce": "0xe8032b1f407fd1a646c421e76c8c7abaa85b1f26d82676c7f2000d357ae5c171",
    "signature": "0xe31d664116d61f10f5b2ba29f2164b062dbae8ac01bc4cff8a2443b5794875eb7eea2089bf5ba8545758e77f1ee893ee33712c67ce35c8a592af0e683e225adf1b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}