{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "410169494",
    "entityType": "User",
    "nonce": "0xb1df79683d1470e7bd24e668ed10f7d71b95bc89bb6d292858b32ebae577616d",
    "signature": "0x842e38b7aaef1f52946bc06362cb9994098a7cbcfbe6f9e65846b2705ee13a3237faecb3fe25ed45afee2aea13bea9119cf240a8cc3d5ae6dd7581edf4f7e4b01b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}