{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbcae090ef116fb09c0f153f1fbfa58fd2cfb0381eb24040733ca720f3d1663d3",
    "signature": "0xc83e2ab9c1999d9b893b06223bb7260fdf3d45fd103200a128ca438917554507506d9ccf301e80ff4f78f22f5de7a307be8de8d5c03092f09adde82d555d76781c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}