{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2f3244d7215a226a22ce187c774421d68a1df2e80d3468f913a74d218e668c9e",
    "signature": "0xe59a141f2389a44d52f88b91725063a3db42703e806dfb3ade8dbb40273256e2707c6c005a86c0c0e855d28069c8ba0472d842d109b87ee246db9c827a5183da1b",
    "signer": "0xAa24a5222b233931c0310D7d18e79b244c9CA5cd",
    "userId": "706029432"
  }
}