{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82430",
    "entityType": "User",
    "nonce": "0xbc653240201573bd18b207e260d503c279afdfa8d29fde2d50a35b3a1019fb9e",
    "signature": "0x1fddf93650ca9b392ec356dd64f98bb6b28ca6da47fd3271e5d12521fcbb5cf14536f0e1ca633dc22e5cf58f92c4ab7591849ef4d7a1f104ec4807a687c1f76a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}