{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0x74c73facbe4275540896787f39c1afd9726a4b1757a37235276d3e475c18d146",
    "signature": "0x052ed0cf19dde55d3418cb3f37ddfcfc3c8cde981953d33ef95c35197cbad16111755cfc67e0b7e72a7fc1e235a65ab30356c5bd1437402d28445328b372d1f21b",
    "signer": "0x4731380E74b3A5C59902e5AcFcAd1fF73f7aaf09",
    "userId": "367370924"
  }
}