{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe5a3766496d03baedf89c51f990dd3185e99988b492a4d7f1bd2d3d00f4e8a64",
    "signature": "0xf23cd5cbbb7b0bb9bff3288f7d680f52fceb0451b4a10f1fbfd7b38db62ec30634433d9905122055892f741ac3db5bf2512835141d6336694f44bb7efd7380aa1b",
    "signer": "0x35AD525fAe740c1c99b9225698A8231bBe6202f1",
    "userId": "173826334"
  }
}