{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151027",
    "entityType": "User",
    "nonce": "0x4344c60ff06c7b1cd141594a9fa277102cc005bc4836cd564f82ede2ed0b63aa",
    "signature": "0x3cc0c4b9b8f906d1ca88d188170f5cbd65d0b48ae8dc93ead69b4ea231cd317625e79737059f767b368e3e3b597222966f9d5048a12064c564317601df8f49581b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}