{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4614b145deb0123c3ae8fdcd140da53c10cf5dabdd60814e9e4d9ae945d97f6b",
    "signature": "0x0d1a25793d396b9a95e3aff046391b5cc53e6f62e88935c587b25b9ce779b4d00fcd326c8e985092b7c76584375c537ca1a11941468606ec970d5adefb5bdfba1c",
    "signer": "0x65E206f484415ee5E20E9B8da531F689983C6e36",
    "userId": "718637748"
  }
}