{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xffe5fa21756fde6d30281425b03004ee2d6c89540bf56b04fcd3ded54bcb85bc",
    "signature": "0x0cd95a9ecac4723768f4c39070fa375734d0b658ede4f667c700a3f23ce133dd3c3bafadf7a62e37d80a645448314f927851fcec9bd11d3bc577194772c12ab41c",
    "signer": "0xa94e4C47a5C11B5C0b4EC90e5166c3AF602dA094",
    "userId": "458060869"
  }
}