{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0xae1875a379865a59c14c4f9e1a691187a2e8f582352745f4be4f400e55a2a05b",
    "signature": "0xd83c2f87f400c654768306167993ebaf1374467f1c65d604ecf73a6ea502510a1293994cd58cb68859f62d7dc81016f4b0cb544f11a5c55fdb540f694b4d80e61c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}