{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4da3983a55c7875f4ba717e227ee8747d4c63121f24cb821d411a5923b6a15a5",
    "signature": "0xeadce04ce95952001e553fb225da901656fa3e470f4ac4fca0299b57a76c9d8656a72352ca2ca9575e75b5334e349211d769ebe24ceb44d617f2d833a8962d031b",
    "signer": "0x9AcBfC881E230200da95BC128EEc72F341a87e0c",
    "userId": "853608877"
  }
}