{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x35155fdebdb6ec154c5da53eda9252be14f255feee6c0477ee558a03ff1daef5",
    "signature": "0x0b1e740dce912d6ea616e2d81b833d9d4347f08bcb134043ae94041e910786d0020d4a184f7de8271c2998ff20d082b0f6358d4e0175df6b54f44a4c397cc6af1c",
    "signer": "0xAFe001afa3dCA8F40e5C0f35572E77cF3069773D",
    "userId": "656565561"
  }
}