{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcbb25699dca9f8820d9732bf958755829e08f804a2b129438e5490b9a7d59198",
    "signature": "0xdadbf03b47b35ab37e4e412f143e5118d079e8931cb3330bdb05aab61c7dd3b91f94cc6f2aca9cc5db5a5cd4dfd207167f78beb55e7be87757037b05ebe411271b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}