{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4c82ca230ab03bd93b2f71d509ed714b8dd31c349094aadd3023949f4b4c3ffd",
    "signature": "0x8dced166aef0bf970c00bb472b8835c96435de614422be761af1931669de6d4d08911ccc9ff15fb054e9d351727d8fd52115d50a02ec587d7bc35c64904f72b31c",
    "signer": "0x96529BA0eE1b687D357698B79290Fc6b83475E45",
    "userId": "639933802"
  }
}