{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139944657",
    "entityType": "User",
    "nonce": "0x6d8f58aa930caff52e8e685bcb55b634469137efe213835f769ec36e0d20e4bf",
    "signature": "0x0586181ceaf07ed57f948d8f528625599c0fe279020432fa4d59065544cb7800657518687b105372bd8373d987ff16248ddae79bab4ea355f8b2fa27e2ae3e061b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}