{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x72bd63ecb8e8c0a1ce862ff3f6992fbbc73fdd2cf65e9fafb50b89a1ae053d2c",
    "signature": "0x7cbfd35ae1ef15630cc14342d7878e5bda6086aa439e78ec91884331b96464b6031aa02fcf2c9307449ae7319ceae9544ba368c89072c38e7184b02f912c7c6a1b",
    "signer": "0x90FD14E5f569756111EE3AECbcE1AAb95c2A01da",
    "userId": "86867162"
  }
}