{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "976624431",
    "entityType": "User",
    "nonce": "0x7c6854ac13afdfc2007d84f5a81e8c5f1fa9cf72fa904b4868d8658dc7d2f2fc",
    "signature": "0x69bf3e2333ae7dd24d7160f8d36e004a25fc2e6091d7c0a65bd8f5e0e52131811bea71686cafb9feba65e22a1e7c5bbe807693c55d2d60de1d667f2f845a6ae91c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}