{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125992",
    "entityType": "User",
    "nonce": "0xc7edb637d10b30b25f16a4230d96fc5a63be0e09c587a46f35f81ea896f87490",
    "signature": "0x693588a30202fcecacd708f47244383fc151ecfd350ff0c285d60e1eb2d225165c40ac5984f378fa59f1cff47c29e8f4a2170cc5d2c9e51587fa640345b9834d1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}