{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x60bc218ac2ae4960fd85e692a3b231270e274c1948d53e45762790e336b168cd",
    "signature": "0xd8cee93404dcfb3e22d332a3b2999c1493c9c55ef3b6591fce3a88a1453e647f696448f1639cfc4590fb5fea4410dc0f73a9782937d5a3a701639d9875b142c81b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}