{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xd5f6541e4ee17e61caf0ea019d426dd82c5945ca71270e9e64bad87f209b7493",
    "signature": "0x916b372f8644393812015e071e39ab56159253015b0b92037cbed26eed72803535e5f7776ddeb476460485dd927c58d368bb539845aed752394b87a078f517511b",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}