{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135770",
    "entityType": "User",
    "nonce": "0xe405f05450fb5b91a757ad001c8d7c1b671995e291269fb1851874d90d8a4df8",
    "signature": "0x6e158ff50084fccdba2ad18891ce23a5db555e0c753be54e578dd857b12d5feb5d87b1e8d14ff1cad37db05e65778e404ac9c6ba9588e4f5ce29b0554bc660801c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}