{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109162",
    "entityType": "User",
    "nonce": "0x53e1da60ea3973fa1aa26f18c89ebd30bed1b7a376ece2bb48c71b9e1512c6f9",
    "signature": "0x83ad029c5d3592ded8835ac9e2f85ef4e51d659e59fe30672329efd7013af0513635926107bc9b3195f0120adab6a713778cdff272bb0bbc9f42c8b40195a1f21b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}