{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "676581728",
    "entityType": "User",
    "nonce": "0xb5fe33bc3245c1b64d6680ffce0aeff0841696119aae7d572ac17fdc4173d797",
    "signature": "0x385388d826edd812177b6feb92716e5e5d46d3dd866961228597474e233ba1b03f8fccb140fedb71998565b90fbd13f8acd551fd603094351e2fd89be063e4d41c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}