{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "680645058",
    "entityType": "User",
    "nonce": "0x0b6460dfab70e85251f19a636269b4b0ed7c21959b1e37111fb039ebb88dc7bf",
    "signature": "0xe2ad959924eb631e09adbfd607812c85ad5d88928f5fac78cf84ef79e17ca94749c9422a33672f65b89f36f9d7c7ccd95053cdd6c083d3aa9558c448815a3b721c",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}