{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0xefdb5b9fa5383dafc80d94df5c667ad6d7dd569035b7094720c2f45a77cd4a81",
    "signature": "0x495bff4e610194ac366df44e9e4083479dba5471dffd4f9eb76fd4a168b2f9102f70bdfb2efd672ceb0c250f174d7f64ee923df92c56a11d44196bbf0ac979ee1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}