{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204752",
    "entityType": "User",
    "nonce": "0xa2daa5675dab1ef5b6f46cac7c5781135a1ca8e418a873be0cb7a8395cd1a5b8",
    "signature": "0x93b34c0da51dee353c44624d84bf4963b0f255b8109fc40f4b384a8e88a290066a2dfbcfa998e95b184c400623911da944290d3d61c5da41b9fa9b3556cc3a0f1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}