{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141429",
    "entityType": "User",
    "nonce": "0x0c6c0232493b194be8e9b57aed6065a909be3da4a9543ca0d2c10c16ec799696",
    "signature": "0xbab535969b1fff762574e426dd99014fe0b4e66dabd15a356275af3e0c55bb4c1f37110fcc0dc8878eadeab821012e443a315b82800a15c5192a8424211f4a971c",
    "signer": "0xb69C788c7cbc7dD9aBe9E91477F694152BFa6a5c",
    "userId": "129846494"
  }
}